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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en-US-x-Hixie" ><head><title>8.2.5 Tree construction &#8212; HTML5 </title><style type="text/css">
   pre { margin-left: 2em; white-space: pre-wrap; }
   h2 { margin: 3em 0 1em 0; }
   h3 { margin: 2.5em 0 1em 0; }
   h4 { margin: 2.5em 0 0.75em 0; }
   h5, h6 { margin: 2.5em 0 1em; }
   h1 + h2, h1 + h2 + h2 { margin: 0.75em 0 0.75em; }
   h2 + h3, h3 + h4, h4 + h5, h5 + h6 { margin-top: 0.5em; }
   p { margin: 1em 0; }
   hr:not(.top) { display: block; background: none; border: none; padding: 0; margin: 2em 0; height: auto; }
   dl, dd { margin-top: 0; margin-bottom: 0; }
   dt { margin-top: 0.75em; margin-bottom: 0.25em; clear: left; }
   dt + dt { margin-top: 0; }
   dd dt { margin-top: 0.25em; margin-bottom: 0; }
   dd p { margin-top: 0; }
   dd dl + p { margin-top: 1em; }
   dd table + p { margin-top: 1em; }
   p + * > li, dd li { margin: 1em 0; }
   dt, dfn { font-weight: bold; font-style: normal; }
   dt dfn { font-style: italic; }
   pre, code { font-size: inherit; font-family: monospace; font-variant: normal; }
   pre strong { color: black; font: inherit; font-weight: bold; background: yellow; }
   pre em { font-weight: bolder; font-style: normal; }
   @media screen { code { color: orangered; } code :link, code :visited { color: inherit; } }
   var sub { vertical-align: bottom; font-size: smaller; position: relative; top: 0.1em; }
   table { border-collapse: collapse; border-style: hidden hidden none hidden; }
   table thead, table tbody { border-bottom: solid; }
   table tbody th:first-child { border-left: solid; }
   table tbody th { text-align: left; }
   table td, table th { border-left: solid; border-right: solid; border-bottom: solid thin; vertical-align: top; padding: 0.2em; }
   blockquote { margin: 0 0 0 2em; border: 0; padding: 0; font-style: italic; }

   .bad, .bad *:not(.XXX) { color: gray; border-color: gray; background: transparent; }
   .matrix, .matrix td { border: none; text-align: right; }
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<div id="multipage-common">
  <p class="stability" id="wip"><strong>This is a work in
  progress!</strong> For the latest updates from the HTML WG, possibly
  including important bug fixes, please look at the <a href="http://dev.w3.org/html5/spec/Overview.html">editor's draft</a> instead.
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  <a href="http://www.w3.org/TR/html5">up-to-date Working Draft</a>
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   <p><a href="http://www.w3.org/"><img alt="W3C" height="48" src="http://www.w3.org/Icons/w3c_home" width="72"></a></p>

   <h1>HTML5</h1>
   </div><div>
   <a href="tokenization.html" class="prev">8.2.4 Tokenization</a> &#8211;
   <a href="spec.html#contents">Table of contents</a> &#8211;
   <a href="the-end.html" class="next">8.2.6 The end</a>
  <ol class="toc"><li><ol><li><ol><li><a href="tree-construction.html#tree-construction"><span class="secno">8.2.5 </span>Tree construction</a>
      <ol><li><a href="tree-construction.html#creating-and-inserting-elements"><span class="secno">8.2.5.1 </span>Creating and inserting elements</a></li><li><a href="tree-construction.html#closing-elements-that-have-implied-end-tags"><span class="secno">8.2.5.2 </span>Closing elements that have implied end tags</a></li><li><a href="tree-construction.html#foster-parenting"><span class="secno">8.2.5.3 </span>Foster parenting</a></li><li><a href="tree-construction.html#parsing-main-inhtml"><span class="secno">8.2.5.4 </span>The rules for parsing tokens in HTML content</a>
        <ol><li><a href="tree-construction.html#the-initial-insertion-mode"><span class="secno">8.2.5.4.1 </span>The "initial" insertion mode</a></li><li><a href="tree-construction.html#the-before-html-insertion-mode"><span class="secno">8.2.5.4.2 </span>The "before html" insertion mode</a></li><li><a href="tree-construction.html#the-before-head-insertion-mode"><span class="secno">8.2.5.4.3 </span>The "before head" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-inhead"><span class="secno">8.2.5.4.4 </span>The "in head" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-inheadnoscript"><span class="secno">8.2.5.4.5 </span>The "in head noscript" insertion mode</a></li><li><a href="tree-construction.html#the-after-head-insertion-mode"><span class="secno">8.2.5.4.6 </span>The "after head" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-inbody"><span class="secno">8.2.5.4.7 </span>The "in body" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-incdata"><span class="secno">8.2.5.4.8 </span>The "text" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-intable"><span class="secno">8.2.5.4.9 </span>The "in table" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-intabletext"><span class="secno">8.2.5.4.10 </span>The "in table text" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-incaption"><span class="secno">8.2.5.4.11 </span>The "in caption" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-incolgroup"><span class="secno">8.2.5.4.12 </span>The "in column group" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-intbody"><span class="secno">8.2.5.4.13 </span>The "in table body" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-intr"><span class="secno">8.2.5.4.14 </span>The "in row" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-intd"><span class="secno">8.2.5.4.15 </span>The "in cell" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-inselect"><span class="secno">8.2.5.4.16 </span>The "in select" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-inselectintable"><span class="secno">8.2.5.4.17 </span>The "in select in table" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-afterbody"><span class="secno">8.2.5.4.18 </span>The "after body" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-inframeset"><span class="secno">8.2.5.4.19 </span>The "in frameset" insertion mode</a></li><li><a href="tree-construction.html#parsing-main-afterframeset"><span class="secno">8.2.5.4.20 </span>The "after frameset" insertion mode</a></li><li><a href="tree-construction.html#the-after-after-body-insertion-mode"><span class="secno">8.2.5.4.21 </span>The "after after body" insertion mode</a></li><li><a href="tree-construction.html#the-after-after-frameset-insertion-mode"><span class="secno">8.2.5.4.22 </span>The "after after frameset" insertion mode</a></li></ol></li><li><a href="tree-construction.html#parsing-main-inforeign"><span class="secno">8.2.5.5 </span>The rules for parsing tokens in foreign content</a></li></ol></li></ol></li></ol></li></ol></div>

  <div class="impl">

  
  <h4 id="tree-construction"><span class="secno">8.2.5 </span><dfn>Tree construction</dfn></h4>

  <p>The input to the tree construction stage is a sequence of tokens
  from the <a href="tokenization.html#tokenization">tokenization</a> stage. The tree construction
  stage is associated with a DOM <code><a href="infrastructure.html#document">Document</a></code> object when a
  parser is created. The "output" of this stage consists of
  dynamically modifying or extending that document's DOM tree.</p>

  <p>This specification does not define when an interactive user agent
  has to render the <code><a href="infrastructure.html#document">Document</a></code> so that it is available to
  the user, or when it has to begin accepting user input.</p>

  <hr><p>As each token is emitted from the tokenizer, the user agent must
  follow the appropriate steps from the following list:</p>

  <dl class="switch"><dt>If there is no <a href="parsing.html#current-node">current node</a></dt>
   <dt>If the <a href="parsing.html#current-node">current node</a> is an element in the <a href="namespaces.html#html-namespace-0">HTML namespace</a></dt>
   <dt>If the <a href="parsing.html#current-node">current node</a> is a <a href="#mathml-text-integration-point">MathML text integration point</a> and the token is a start tag whose tag name is neither "mglyph" nor "malignmark"</dt>
   <dt>If the <a href="parsing.html#current-node">current node</a> is an <code title="">annotation-xml</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a> and the token is a start tag whose tag name is "svg"</dt>
   <dt>If the <a href="parsing.html#current-node">current node</a> is an <a href="#html-integration-point">HTML integration point</a> and the token is a start tag</dt>
   <dt>If the <a href="parsing.html#current-node">current node</a> is an <a href="#html-integration-point">HTML integration point</a> and the token is a character token</dt>
   <dt>If the token is an end-of-file token</dt>

   <dd>Process the token according to the rules given in the section
   corresponding to the current <a href="parsing.html#insertion-mode">insertion mode</a> in HTML
   content.</dd>

   <dt>Otherwise</dt>

   <dd>Process the token according to the rules given in the section
   for parsing tokens <a href="#parsing-main-inforeign" title="insertion mode: in foreign
   content">in foreign content</a>.</dd>

  </dl><p>The <a href="parsing.html#current-node">current node</a> is a <dfn id="mathml-text-integration-point">MathML text
  integration point</dfn> if it is one of the following elements:</p>

  <ul class="brief"><li>An <code title="">mi</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a></li>
   <li>An <code title="">mo</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a></li>
   <li>An <code title="">mn</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a></li>
   <li>An <code title="">ms</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a></li>
   <li>An <code title="">mtext</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a></li>
  </ul><p>The <a href="parsing.html#current-node">current node</a> is an <dfn id="html-integration-point">HTML
  integration point</dfn> if it is one of the following elements:</p>

  <ul class="brief"><li>An <code title="">annotation-xml</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a> whose start tag token had an attribute with the name "encoding" whose value was an <a href="infrastructure.html#ascii-case-insensitive">ASCII case-insensitive</a> match for the string "<code title="">text/html</code>"</li>
   <li>An <code title="">annotation-xml</code> element in the <a href="namespaces.html#mathml-namespace">MathML namespace</a> whose start tag token had an attribute with the name "encoding" whose value was an <a href="infrastructure.html#ascii-case-insensitive">ASCII case-insensitive</a> match for the string "<code title="">application/xhtml+xml</code>"</li>
   <li>A <code title="">foreignObject</code> element in the <a href="namespaces.html#svg-namespace">SVG namespace</a></li>
   <li>A <code title="">desc</code> element in the <a href="namespaces.html#svg-namespace">SVG namespace</a></li>
   <li>A <code title="">title</code> element in the <a href="namespaces.html#svg-namespace">SVG namespace</a></li>
  </ul><hr><p>When the steps below require the UA to <dfn id="insert-a-character">insert a
  character</dfn> into a node, if that node has a child immediately
  before where the character is to be inserted, and that child is a
  <code><a href="infrastructure.html#text">Text</a></code> node, then the character must be appended to that
  <code><a href="infrastructure.html#text">Text</a></code> node; otherwise, a new <code><a href="infrastructure.html#text">Text</a></code> node
  whose data is just that character must be inserted in the
  appropriate place.</p>

  <div class="example">

   <p>Here are some sample inputs to the parser and the corresponding
   number of text nodes that they result in, assuming a user agent
   that executes scripts.</p>

   <table><thead><tr><th>Input </th><th>Number of text nodes
    </th></tr></thead><tbody><tr><td><pre>A&lt;script&gt;
var&#160;script&#160;=&#160;document.getElementsByTagName('script')[0];
document.body.removeChild(script);
&lt;/script&gt;B</pre>
      </td><td>One text node in the document, containing "AB".
     </td></tr><tr><td><pre>A&lt;script&gt;
var&#160;text&#160;=&#160;document.createTextNode('B');
document.body.appendChild(text);
&lt;/script&gt;C</pre>
      </td><td>Three text nodes; "A" before the script, the script's contents, and "BC" after the script (the parser appends to the text node created by the script).
     </td></tr><tr><td><pre>A&lt;script&gt;
var&#160;text&#160;=&#160;document.getElementsByTagName('script')[0].firstChild;
text.data&#160;=&#160;'B';
document.body.appendChild(text);
&lt;/script&gt;C</pre>
      </td><td>Two adjacent text nodes in the document, containing "A" and "BC".
     </td></tr><tr><td><pre>A&lt;table&gt;B&lt;tr&gt;C&lt;/tr&gt;D&lt;/table&gt;</pre>
      </td><td>One text node before the table, containing "ABCD". (This is caused by <a href="#foster-parent" title="foster parent">foster parenting</a>.)
     </td></tr><tr><td><pre>A&lt;table&gt;&lt;tr&gt;&#160;B&lt;/tr&gt;&#160;C&lt;/table&gt;</pre>
      </td><td>One text node before the table, containing "A&#160;B&#160;C" (A-space-B-space-C). (This is caused by <a href="#foster-parent" title="foster parent">foster parenting</a>.)
     </td></tr><tr><td><pre>A&lt;table&gt;&lt;tr&gt;&#160;B&lt;/tr&gt;&#160;&lt;/em&gt;C&lt;/table&gt;</pre>
      </td><td>One text node before the table, containing "A&#160;BC" (A-space-B-C), and one text node inside the table (as a child of a <code><a href="tabular-data.html#the-tbody-element">tbody</a></code>) with a single space character. (Space characters separated from non-space characters by non-character tokens are not affected by <a href="#foster-parent" title="foster parent">foster parenting</a>, even if those other tokens then get ignored.)
   </td></tr></tbody></table></div>

  <p id="mutation-during-parsing">DOM mutation events must not fire
  for changes caused by the UA parsing the document. (Conceptually,
  the parser is not mutating the DOM, it is constructing it.) This
  includes the parsing of any content inserted using <code title="dom-document-write"><a href="apis-in-html-documents.html#dom-document-write">document.write()</a></code> and <code title="dom-document-writeln"><a href="apis-in-html-documents.html#dom-document-writeln">document.writeln()</a></code> calls. <a href="references.html#refsDOMEVENTS">[DOMEVENTS]</a></p>

  <p class="note">Not all of the tag names mentioned below are
  conformant tag names in this specification; many are included to
  handle legacy content. They still form part of the algorithm that
  implementations are required to implement to claim conformance.</p>

  <p class="note">The algorithm described below places no limit on the
  depth of the DOM tree generated, or on the length of tag names,
  attribute names, attribute values, text nodes, etc. While
  implementors are encouraged to avoid arbitrary limits, it is
  recognized that <a href="infrastructure.html#hardwareLimitations">practical
  concerns</a> will likely force user agents to impose nesting depth
  constraints.</p>


  <h5 id="creating-and-inserting-elements"><span class="secno">8.2.5.1 </span>Creating and inserting elements</h5>

  <p>When the steps below require the UA to <dfn id="create-an-element-for-the-token" title="create an
  element for the token">create an element for a token</dfn> in a
  particular namespace, the UA must create a node implementing the
  interface appropriate for the element type corresponding to the tag
  name of the token in the given namespace (as given in the
  specification that defines that element, e.g. for an <code><a href="text-level-semantics.html#the-a-element">a</a></code>
  element in the <a href="namespaces.html#html-namespace-0">HTML namespace</a>, this specification
  defines it to be the <code><a href="text-level-semantics.html#htmlanchorelement">HTMLAnchorElement</a></code> interface), with
  the tag name being the name of that element, with the node being in
  the given namespace, and with the attributes on the node being those
  given in the given token.</p>

  <p>The interface appropriate for an element in the <a href="namespaces.html#html-namespace-0">HTML
  namespace</a> that is not defined in this specification (or
  <a href="infrastructure.html#other-applicable-specifications">other applicable specifications</a>) is
  <code><a href="elements.html#htmlunknownelement">HTMLUnknownElement</a></code>. Element in other namespaces whose
  interface is not defined by that namespace's specification must use
  the interface <code><a href="infrastructure.html#element">Element</a></code>.</p>

  <p>When a <a href="forms.html#category-reset" title="category-reset">resettable element</a> is
  created in this manner, its <a href="association-of-controls-and-forms.html#concept-form-reset-control" title="concept-form-reset-control">reset algorithm</a> must be
  invoked once the attributes are set. (This initializes the element's
  <a href="association-of-controls-and-forms.html#concept-fe-value" title="concept-fe-value">value</a> and <a href="association-of-controls-and-forms.html#concept-fe-checked" title="concept-fe-checked">checkedness</a> based on the element's
  attributes.)</p>

  <hr><p>When the steps below require the UA to <dfn id="insert-an-html-element">insert an HTML
  element</dfn> for a token, the UA must first <a href="#create-an-element-for-the-token">create an element
  for the token</a> in the <a href="namespaces.html#html-namespace-0">HTML namespace</a>, and then
  append this node to the <a href="parsing.html#current-node">current node</a>, and push it onto
  the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> so that it is the new
  <a href="parsing.html#current-node">current node</a>.</p>

  <p>The steps below may also require that the UA insert an HTML
  element in a particular place, in which case the UA must follow the
  same steps except that it must insert or append the new node in the
  location specified instead of appending it to the <a href="parsing.html#current-node">current
  node</a>. (This happens in particular during the parsing of
  tables with invalid content.)</p>

  <p>If an element created by the <a href="#insert-an-html-element">insert an HTML element</a>
  algorithm is a <a href="forms.html#form-associated-element">form-associated element</a>, and the
  <a href="parsing.html#form-element-pointer"><code title="">form</code> element pointer</a> is not null,
  and the newly created element doesn't have a <code title="attr-fae-form"><a href="association-of-controls-and-forms.html#attr-fae-form">form</a></code> attribute, the user agent must
  <a href="association-of-controls-and-forms.html#concept-form-association" title="concept-form-association">associate</a> the newly
  created element with the <code><a href="forms.html#the-form-element">form</a></code> element pointed to by the
  <a href="parsing.html#form-element-pointer"><code title="">form</code> element pointer</a> when the
  element is inserted, instead of running the <a href="association-of-controls-and-forms.html#reset-the-form-owner">reset the form
  owner</a> algorithm.</p>

  <hr><p>When the steps below require the UA to <dfn id="insert-a-foreign-element">insert a foreign
  element</dfn> for a token, the UA must first <a href="#create-an-element-for-the-token">create an element
  for the token</a> in the given namespace, and then append this
  node to the <a href="parsing.html#current-node">current node</a>, and push it onto the
  <a href="parsing.html#stack-of-open-elements">stack of open elements</a> so that it is the new
  <a href="parsing.html#current-node">current node</a>. If the newly created element has an <code title="">xmlns</code> attribute in the <a href="namespaces.html#xmlns-namespace">XMLNS namespace</a>
  whose value is not exactly the same as the element's namespace, that
  is a <a href="parsing.html#parse-error">parse error</a>. Similarly, if the newly created
  element has an <code title="">xmlns:xlink</code> attribute in the
  <a href="namespaces.html#xmlns-namespace">XMLNS namespace</a> whose value is not the <a href="namespaces.html#xlink-namespace">XLink
  Namespace</a>, that is a <a href="parsing.html#parse-error">parse error</a>.</p>

  <p>When the steps below require the user agent to <dfn id="adjust-mathml-attributes">adjust MathML
  attributes</dfn> for a token, then, if the token has an attribute
  named <code title="">definitionurl</code>, change its name to <code title="">definitionURL</code> (note the case difference).</p>

  <p>When the steps below require the user agent to <dfn id="adjust-svg-attributes">adjust SVG
  attributes</dfn> for a token, then, for each attribute on the token
  whose attribute name is one of the ones in the first column of the
  following table, change the attribute's name to the name given in
  the corresponding cell in the second column. (This fixes the case of
  SVG attributes that are not all lowercase.)</p>

  <table><thead><tr><th> Attribute name on token </th><th> Attribute name on element
   </th></tr></thead><tbody><tr><td> <code title="">attributename</code> </td><td> <code title="">attributeName</code>
    </td></tr><tr><td> <code title="">attributetype</code> </td><td> <code title="">attributeType</code>
    </td></tr><tr><td> <code title="">basefrequency</code> </td><td> <code title="">baseFrequency</code>
    </td></tr><tr><td> <code title="">baseprofile</code> </td><td> <code title="">baseProfile</code>
    </td></tr><tr><td> <code title="">calcmode</code> </td><td> <code title="">calcMode</code>
    </td></tr><tr><td> <code title="">clippathunits</code> </td><td> <code title="">clipPathUnits</code>
    </td></tr><tr><td> <code title="">contentscripttype</code> </td><td> <code title="">contentScriptType</code>
    </td></tr><tr><td> <code title="">contentstyletype</code> </td><td> <code title="">contentStyleType</code>
    </td></tr><tr><td> <code title="">diffuseconstant</code> </td><td> <code title="">diffuseConstant</code>
    </td></tr><tr><td> <code title="">edgemode</code> </td><td> <code title="">edgeMode</code>
    </td></tr><tr><td> <code title="">externalresourcesrequired</code> </td><td> <code title="">externalResourcesRequired</code>
    </td></tr><tr><td> <code title="">filterres</code> </td><td> <code title="">filterRes</code>
    </td></tr><tr><td> <code title="">filterunits</code> </td><td> <code title="">filterUnits</code>
    </td></tr><tr><td> <code title="">glyphref</code> </td><td> <code title="">glyphRef</code>
    </td></tr><tr><td> <code title="">gradienttransform</code> </td><td> <code title="">gradientTransform</code>
    </td></tr><tr><td> <code title="">gradientunits</code> </td><td> <code title="">gradientUnits</code>
    </td></tr><tr><td> <code title="">kernelmatrix</code> </td><td> <code title="">kernelMatrix</code>
    </td></tr><tr><td> <code title="">kernelunitlength</code> </td><td> <code title="">kernelUnitLength</code>
    </td></tr><tr><td> <code title="">keypoints</code> </td><td> <code title="">keyPoints</code>
    </td></tr><tr><td> <code title="">keysplines</code> </td><td> <code title="">keySplines</code>
    </td></tr><tr><td> <code title="">keytimes</code> </td><td> <code title="">keyTimes</code>
    </td></tr><tr><td> <code title="">lengthadjust</code> </td><td> <code title="">lengthAdjust</code>
    </td></tr><tr><td> <code title="">limitingconeangle</code> </td><td> <code title="">limitingConeAngle</code>
    </td></tr><tr><td> <code title="">markerheight</code> </td><td> <code title="">markerHeight</code>
    </td></tr><tr><td> <code title="">markerunits</code> </td><td> <code title="">markerUnits</code>
    </td></tr><tr><td> <code title="">markerwidth</code> </td><td> <code title="">markerWidth</code>
    </td></tr><tr><td> <code title="">maskcontentunits</code> </td><td> <code title="">maskContentUnits</code>
    </td></tr><tr><td> <code title="">maskunits</code> </td><td> <code title="">maskUnits</code>
    </td></tr><tr><td> <code title="">numoctaves</code> </td><td> <code title="">numOctaves</code>
    </td></tr><tr><td> <code title="">pathlength</code> </td><td> <code title="">pathLength</code>
    </td></tr><tr><td> <code title="">patterncontentunits</code> </td><td> <code title="">patternContentUnits</code>
    </td></tr><tr><td> <code title="">patterntransform</code> </td><td> <code title="">patternTransform</code>
    </td></tr><tr><td> <code title="">patternunits</code> </td><td> <code title="">patternUnits</code>
    </td></tr><tr><td> <code title="">pointsatx</code> </td><td> <code title="">pointsAtX</code>
    </td></tr><tr><td> <code title="">pointsaty</code> </td><td> <code title="">pointsAtY</code>
    </td></tr><tr><td> <code title="">pointsatz</code> </td><td> <code title="">pointsAtZ</code>
    </td></tr><tr><td> <code title="">preservealpha</code> </td><td> <code title="">preserveAlpha</code>
    </td></tr><tr><td> <code title="">preserveaspectratio</code> </td><td> <code title="">preserveAspectRatio</code>
    </td></tr><tr><td> <code title="">primitiveunits</code> </td><td> <code title="">primitiveUnits</code>
    </td></tr><tr><td> <code title="">refx</code> </td><td> <code title="">refX</code>
    </td></tr><tr><td> <code title="">refy</code> </td><td> <code title="">refY</code>
    </td></tr><tr><td> <code title="">repeatcount</code> </td><td> <code title="">repeatCount</code>
    </td></tr><tr><td> <code title="">repeatdur</code> </td><td> <code title="">repeatDur</code>
    </td></tr><tr><td> <code title="">requiredextensions</code> </td><td> <code title="">requiredExtensions</code>
    </td></tr><tr><td> <code title="">requiredfeatures</code> </td><td> <code title="">requiredFeatures</code>
    </td></tr><tr><td> <code title="">specularconstant</code> </td><td> <code title="">specularConstant</code>
    </td></tr><tr><td> <code title="">specularexponent</code> </td><td> <code title="">specularExponent</code>
    </td></tr><tr><td> <code title="">spreadmethod</code> </td><td> <code title="">spreadMethod</code>
    </td></tr><tr><td> <code title="">startoffset</code> </td><td> <code title="">startOffset</code>
    </td></tr><tr><td> <code title="">stddeviation</code> </td><td> <code title="">stdDeviation</code>
    </td></tr><tr><td> <code title="">stitchtiles</code> </td><td> <code title="">stitchTiles</code>
    </td></tr><tr><td> <code title="">surfacescale</code> </td><td> <code title="">surfaceScale</code>
    </td></tr><tr><td> <code title="">systemlanguage</code> </td><td> <code title="">systemLanguage</code>
    </td></tr><tr><td> <code title="">tablevalues</code> </td><td> <code title="">tableValues</code>
    </td></tr><tr><td> <code title="">targetx</code> </td><td> <code title="">targetX</code>
    </td></tr><tr><td> <code title="">targety</code> </td><td> <code title="">targetY</code>
    </td></tr><tr><td> <code title="">textlength</code> </td><td> <code title="">textLength</code>
    </td></tr><tr><td> <code title="">viewbox</code> </td><td> <code title="">viewBox</code>
    </td></tr><tr><td> <code title="">viewtarget</code> </td><td> <code title="">viewTarget</code>
    </td></tr><tr><td> <code title="">xchannelselector</code> </td><td> <code title="">xChannelSelector</code>
    </td></tr><tr><td> <code title="">ychannelselector</code> </td><td> <code title="">yChannelSelector</code>
    </td></tr><tr><td> <code title="">zoomandpan</code> </td><td> <code title="">zoomAndPan</code>
  </td></tr></tbody></table><p>When the steps below require the user agent to <dfn id="adjust-foreign-attributes">adjust
  foreign attributes</dfn> for a token, then, if any of the attributes
  on the token match the strings given in the first column of the
  following table, let the attribute be a namespaced attribute, with
  the prefix being the string given in the corresponding cell in the
  second column, the local name being the string given in the
  corresponding cell in the third column, and the namespace being the
  namespace given in the corresponding cell in the fourth
  column. (This fixes the use of namespaced attributes, in particular
  <a href="elements.html#attr-xml-lang" title="attr-xml-lang"><code title="">lang</code> attributes in
  the <span>XML namespace</span></a>.)</p>

  <table><thead><tr><th> Attribute name </th><th> Prefix </th><th> Local name </th><th> Namespace
   </th></tr></thead><tbody><tr><td> <code title="">xlink:actuate</code> </td><td> <code title="">xlink</code> </td><td> <code title="">actuate</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xlink:arcrole</code> </td><td> <code title="">xlink</code> </td><td> <code title="">arcrole</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xlink:href</code> </td><td> <code title="">xlink</code> </td><td> <code title="">href</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xlink:role</code> </td><td> <code title="">xlink</code> </td><td> <code title="">role</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xlink:show</code> </td><td> <code title="">xlink</code> </td><td> <code title="">show</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xlink:title</code> </td><td> <code title="">xlink</code> </td><td> <code title="">title</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xlink:type</code> </td><td> <code title="">xlink</code> </td><td> <code title="">type</code> </td><td> <a href="namespaces.html#xlink-namespace">XLink namespace</a>
    </td></tr><tr><td> <code title="">xml:base</code> </td><td> <code title="">xml</code> </td><td> <code title="">base</code> </td><td> <a href="namespaces.html#xml-namespace">XML namespace</a> 
    </td></tr><tr><td> <code title="">xml:lang</code> </td><td> <code title="">xml</code> </td><td> <code title="">lang</code> </td><td> <a href="namespaces.html#xml-namespace">XML namespace</a>
    </td></tr><tr><td> <code title="">xml:space</code> </td><td> <code title="">xml</code> </td><td> <code title="">space</code> </td><td> <a href="namespaces.html#xml-namespace">XML namespace</a>
    </td></tr><tr><td> <code title="">xmlns</code> </td><td> (none) </td><td> <code title="">xmlns</code> </td><td> <a href="namespaces.html#xmlns-namespace">XMLNS namespace</a>
    </td></tr><tr><td> <code title="">xmlns:xlink</code> </td><td> <code title="">xmlns</code> </td><td> <code title="">xlink</code> </td><td> <a href="namespaces.html#xmlns-namespace">XMLNS namespace</a>
  </td></tr></tbody></table><hr><p>The <dfn id="generic-raw-text-element-parsing-algorithm">generic raw text element parsing algorithm</dfn> and the
  <dfn id="generic-rcdata-element-parsing-algorithm">generic RCDATA element parsing algorithm</dfn> consist of the
  following steps. These algorithms are always invoked in response to
  a start tag token.</p>

  <ol><li><p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p></li>

   <li><p>If the algorithm that was invoked is the <a href="#generic-raw-text-element-parsing-algorithm">generic raw
   text element parsing algorithm</a>, switch the tokenizer to the
   <a href="tokenization.html#rawtext-state">RAWTEXT state</a>; otherwise the algorithm invoked
   was the <a href="#generic-rcdata-element-parsing-algorithm">generic RCDATA element parsing algorithm</a>,
   switch the tokenizer to the <a href="tokenization.html#rcdata-state">RCDATA state</a>.</p></li>

   <li><p>Let the <a href="parsing.html#original-insertion-mode">original insertion mode</a> be the current
   <a href="parsing.html#insertion-mode">insertion mode</a>.</p>

   </li><li><p>Then, switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-incdata" title="insertion mode: text">text</a>".</p></li>

  </ol><h5 id="closing-elements-that-have-implied-end-tags"><span class="secno">8.2.5.2 </span>Closing elements that have implied end tags</h5>

  <p>When the steps below require the UA to <dfn id="generate-implied-end-tags">generate implied end
  tags</dfn>, then, while the <a href="parsing.html#current-node">current node</a> is a
  <code><a href="grouping-content.html#the-dd-element">dd</a></code> element, a <code><a href="grouping-content.html#the-dt-element">dt</a></code> element, an
  <code><a href="grouping-content.html#the-li-element">li</a></code> element, an <code><a href="the-button-element.html#the-option-element">option</a></code> element, an
  <code><a href="the-button-element.html#the-optgroup-element">optgroup</a></code> element, a <code><a href="grouping-content.html#the-p-element">p</a></code> element, an
  <code><a href="text-level-semantics.html#the-rp-element">rp</a></code> element, or an <code><a href="text-level-semantics.html#the-rt-element">rt</a></code> element, the UA must
  pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
  elements</a>.</p>

  <p>If a step requires the UA to generate implied end tags but lists
  an element to exclude from the process, then the UA must perform the
  above steps as if that element was not in the above list.</p>


  <h5 id="foster-parenting"><span class="secno">8.2.5.3 </span>Foster parenting</h5>

  <p>Foster parenting happens when content is misnested in tables.</p>

  <p>When a node <var title="">node</var> is to be <dfn id="foster-parent" title="foster
  parent">foster parented</dfn>, the node <var title="">node</var>
  must be inserted into the <i><a href="#foster-parent-element">foster parent element</a></i>.</p>

  <p>The <dfn id="foster-parent-element">foster parent element</dfn> is the parent element of the
  last <code><a href="tabular-data.html#the-table-element">table</a></code> element in the <a href="parsing.html#stack-of-open-elements">stack of open
  elements</a>, if there is a <code><a href="tabular-data.html#the-table-element">table</a></code> element and it has
  such a parent element.</p>

  <p class="note">It might have no parent or some other kind parent if
  a script manipulated the DOM after the element was inserted by the
  parser.</p>

  <p>If there is no <code><a href="tabular-data.html#the-table-element">table</a></code> element in the <a href="parsing.html#stack-of-open-elements">stack of
  open elements</a> (<a href="the-end.html#fragment-case">fragment case</a>), then the
  <i><a href="#foster-parent-element">foster parent element</a></i> is the first element in the <a href="parsing.html#stack-of-open-elements">stack
  of open elements</a> (the <code><a href="semantics.html#the-html-element">html</a></code> element). Otherwise,
  if there is a <code><a href="tabular-data.html#the-table-element">table</a></code> element in the <a href="parsing.html#stack-of-open-elements">stack of open
  elements</a>, but the last <code><a href="tabular-data.html#the-table-element">table</a></code> element in the
  <a href="parsing.html#stack-of-open-elements">stack of open elements</a> has no parent, or its parent
  node is not an element, then the <i><a href="#foster-parent-element">foster parent element</a></i> is the
  element before the last <code><a href="tabular-data.html#the-table-element">table</a></code> element in the
  <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>

  <p>If the <i><a href="#foster-parent-element">foster parent element</a></i> is the parent element of the
  last <code><a href="tabular-data.html#the-table-element">table</a></code> element in the <a href="parsing.html#stack-of-open-elements">stack of open
  elements</a>, then <var title="">node</var> must be inserted into
  the <i><a href="#foster-parent-element">foster parent element</a></i>, immediately <em>before</em> the
  last <code><a href="tabular-data.html#the-table-element">table</a></code> element in the <a href="parsing.html#stack-of-open-elements">stack of open
  elements</a>; otherwise, <var title="">node</var> must be
  <em>appended</em> to the <i><a href="#foster-parent-element">foster parent element</a></i>.</p>



  <h5 id="parsing-main-inhtml"><span class="secno">8.2.5.4 </span>The rules for parsing tokens in HTML content</h5>


  <h6 id="the-initial-insertion-mode"><span class="secno">8.2.5.4.1 </span>The "<dfn title="insertion mode: initial">initial</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#the-initial-insertion-mode" title="insertion mode: initial">initial</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p>Ignore the token.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <code><a href="infrastructure.html#document">Document</a></code>
    object with the <code title="">data</code> attribute set to the
    data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>

    <p>If the DOCTYPE token's name is not a
    <a href="infrastructure.html#case-sensitive">case-sensitive</a> match for the string "<code title="">html</code>", or the token's public identifier is not
    missing, or the token's system identifier is neither missing nor a
    <a href="infrastructure.html#case-sensitive">case-sensitive</a> match for the string
    "<code><a href="urls.html#about:legacy-compat">about:legacy-compat</a></code>", and none of the sets of
    conditions in the following list are matched, then there is a
    <a href="parsing.html#parse-error">parse error</a>.</p>

    <ul><li>The DOCTYPE token's name is a <a href="infrastructure.html#case-sensitive">case-sensitive</a>
     match for the string "<code title="">html</code>", the token's
     public identifier is the <a href="infrastructure.html#case-sensitive">case-sensitive</a> string
     "<code title="">-//W3C//DTD&#160;HTML&#160;4.0//EN</code>", and
     the token's system identifier is either missing or the
     <a href="infrastructure.html#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/REC-html40/strict.dtd</code>".</li>

     <li>The DOCTYPE token's name is a <a href="infrastructure.html#case-sensitive">case-sensitive</a>
     match for the string "<code title="">html</code>", the token's
     public identifier is the <a href="infrastructure.html#case-sensitive">case-sensitive</a> string
     "<code title="">-//W3C//DTD&#160;HTML&#160;4.01//EN</code>", and
     the token's system identifier is either missing or the
     <a href="infrastructure.html#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/html4/strict.dtd</code>".</li>

     <li>The DOCTYPE token's name is a <a href="infrastructure.html#case-sensitive">case-sensitive</a>
     match for the string "<code title="">html</code>", the token's
     public identifier is the <a href="infrastructure.html#case-sensitive">case-sensitive</a> string
     "<code title="">-//W3C//DTD&#160;XHTML&#160;1.0&#160;Strict//EN</code>",
     and the token's system identifier is the
     <a href="infrastructure.html#case-sensitive">case-sensitive</a> string "<code title="">http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd</code>".</li>

     <li>The DOCTYPE token's name is a <a href="infrastructure.html#case-sensitive">case-sensitive</a>
     match for the string "<code title="">html</code>", the token's
     public identifier is the <a href="infrastructure.html#case-sensitive">case-sensitive</a> string
     "<code title="">-//W3C//DTD&#160;XHTML&#160;1.1//EN</code>", and
     the token's system identifier is the <a href="infrastructure.html#case-sensitive">case-sensitive</a>
     string "<code title="">http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd</code>".</li>

    </ul><p>Conformance checkers may, based on the values (including
    presence or lack thereof) of the DOCTYPE token's name, public
    identifier, or system identifier, switch to a conformance checking
    mode for another language (e.g. based on the DOCTYPE token a
    conformance checker could recognize that the document is an
    HTML4-era document, and defer to an HTML4 conformance
    checker.)</p>

    <p>Append a <code><a href="infrastructure.html#documenttype">DocumentType</a></code> node to the
    <code><a href="infrastructure.html#document">Document</a></code> node, with the <code title="">name</code>
    attribute set to the name given in the DOCTYPE token, or the empty
    string if the name was missing; the <code title="">publicId</code>
    attribute set to the public identifier given in the DOCTYPE token,
    or the empty string if the public identifier was missing; the
    <code title="">systemId</code> attribute set to the system
    identifier given in the DOCTYPE token, or the empty string if the
    system identifier was missing; and the other attributes specific
    to <code><a href="infrastructure.html#documenttype">DocumentType</a></code> objects set to null and empty lists
    as appropriate. Associate the <code><a href="infrastructure.html#documenttype">DocumentType</a></code> node with
    the <code><a href="infrastructure.html#document">Document</a></code> object so that it is returned as the
    value of the <code title="">doctype</code> attribute of the
    <code><a href="infrastructure.html#document">Document</a></code> object.</p>

    <p id="quirks-mode-doctypes">Then, if the DOCTYPE token matches
    one of the conditions in the following list, then set the
    <code><a href="infrastructure.html#document">Document</a></code> to <a href="dom.html#quirks-mode">quirks mode</a>:</p>

    <ul class="brief"><li> The <i>force-quirks flag</i> is set to <i>on</i>. </li>
     <li> The name is set to anything other than "<code title="">html</code>" (compared <a href="infrastructure.html#case-sensitive" title="case-sensitive">case-sensitively</a>). </li>
     <li> The public identifier starts with: "<code title="">+//Silmaril//dtd html Pro v0r11 19970101//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//AdvaSoft Ltd//DTD HTML 3.0 asWedit + extensions//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//AS//DTD HTML 3.0 asWedit + extensions//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.0 Level 1//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.0 Level 2//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.0 Strict Level 1//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.0 Strict Level 2//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.0 Strict//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 2.1E//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 3.0//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 3.2 Final//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 3.2//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML 3//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Level 0//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Level 1//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Level 2//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Level 3//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Strict Level 0//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Strict Level 1//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Strict Level 2//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Strict Level 3//</code>" </li>
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML Strict//</code>" </li>
   
   
     <li> The public identifier starts with: "<code title="">-//IETF//DTD HTML//</code>" </li>
   
   
     <li> The public identifier starts with: "<code title="">-//Metrius//DTD Metrius Presentational//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Microsoft//DTD Internet Explorer 2.0 HTML Strict//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Microsoft//DTD Internet Explorer 2.0 HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Microsoft//DTD Internet Explorer 2.0 Tables//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Microsoft//DTD Internet Explorer 3.0 HTML Strict//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Microsoft//DTD Internet Explorer 3.0 HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Microsoft//DTD Internet Explorer 3.0 Tables//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Netscape Comm. Corp.//DTD HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Netscape Comm. Corp.//DTD Strict HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//O'Reilly and Associates//DTD HTML 2.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//O'Reilly and Associates//DTD HTML Extended 1.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//O'Reilly and Associates//DTD HTML Extended Relaxed 1.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//SoftQuad Software//DTD HoTMetaL PRO 6.0::19990601::extensions to HTML 4.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//SoftQuad//DTD HoTMetaL PRO 4.0::19971010::extensions to HTML 4.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Spyglass//DTD HTML 2.0 Extended//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//SQ//DTD HTML 2.0 HoTMetaL + extensions//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Sun Microsystems Corp.//DTD HotJava HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//Sun Microsystems Corp.//DTD HotJava Strict HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 3 1995-03-24//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 3.2 Draft//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 3.2 Final//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 3.2//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 3.2S Draft//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 4.0 Frameset//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML 4.0 Transitional//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML Experimental 19960712//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD HTML Experimental 970421//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD W3 HTML//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3O//DTD W3 HTML 3.0//</code>" </li>
   
     <li> The public identifier is set to: "<code title="">-//W3O//DTD W3 HTML Strict 3.0//EN//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//WebTechs//DTD Mozilla HTML 2.0//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//WebTechs//DTD Mozilla HTML//</code>" </li>
     <li> The public identifier is set to: "<code title="">-/W3C/DTD HTML 4.0 Transitional/EN</code>" </li>
     <li> The public identifier is set to: "<code title="">HTML</code>" </li>
     <li> The system identifier is set to: "<code title="">http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd</code>" </li>
     <li> The system identifier is missing and the public identifier starts with: "<code title="">-//W3C//DTD HTML 4.01 Frameset//</code>" </li>
     <li> The system identifier is missing and the public identifier starts with: "<code title="">-//W3C//DTD HTML 4.01 Transitional//</code>" </li>
    </ul><p>Otherwise, if the DOCTYPE token matches one of the conditions
    in the following list, then set the <code><a href="infrastructure.html#document">Document</a></code> to
    <a href="dom.html#limited-quirks-mode">limited-quirks mode</a>:</p>

    <ul class="brief"><li> The public identifier starts with: "<code title="">-//W3C//DTD XHTML 1.0 Frameset//</code>" </li>
     <li> The public identifier starts with: "<code title="">-//W3C//DTD XHTML 1.0 Transitional//</code>" </li>
     <li> The system identifier is not missing and the public identifier starts with: "<code title="">-//W3C//DTD HTML 4.01 Frameset//</code>" </li>
     <li> The system identifier is not missing and the public identifier starts with: "<code title="">-//W3C//DTD HTML 4.01 Transitional//</code>" </li>
    </ul><p>The system identifier and public identifier strings must be
    compared to the values given in the lists above in an <a href="infrastructure.html#ascii-case-insensitive">ASCII
    case-insensitive</a> manner. A system identifier whose value is
    the empty string is not considered missing for the purposes of the
    conditions above.</p>

    <p>Then, switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-before-html-insertion-mode" title="insertion mode: before html">before html</a>".</p>

   </dd>

   <dt>Anything else</dt>
   <dd>

    <p>If the document is <em>not</em> <a href="the-iframe-element.html#an-iframe-srcdoc-document">an <code>iframe</code>
    <code title="attr-iframe-srcdoc">srcdoc</code> document</a>,
    then this is a <a href="parsing.html#parse-error">parse error</a>; set the
    <code><a href="infrastructure.html#document">Document</a></code> to <a href="dom.html#quirks-mode">quirks mode</a>.</p>

    <p>In any case, switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-before-html-insertion-mode" title="insertion mode: before html">before html</a>", then
    reprocess the current token.</p>

   </dd>

  </dl><h6 id="the-before-html-insertion-mode"><span class="secno">8.2.5.4.2 </span>The "<dfn title="insertion mode: before html">before html</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#the-before-html-insertion-mode" title="insertion mode: before html">before html</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <code><a href="infrastructure.html#document">Document</a></code>
    object with the <code title="">data</code> attribute set to the
    data given in the comment token.</p>
   </dd>

   <dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p>Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>

    <p><a href="#create-an-element-for-the-token">Create an element for the token</a> in the <a href="namespaces.html#html-namespace-0">HTML
    namespace</a>. Append it to the <code><a href="infrastructure.html#document">Document</a></code>
    object. Put this element in the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p id="parser-appcache">If the <code><a href="infrastructure.html#document">Document</a></code> is being
    loaded as part of <a href="history.html#navigate" title="navigate">navigation</a> of a
    <a href="browsers.html#browsing-context">browsing context</a>, then: if the newly created element
    has a <code title="attr-html-manifest"><a href="semantics.html#attr-html-manifest">manifest</a></code> attribute
    whose value is not the empty string, then <a href="urls.html#resolve-a-url" title="resolve a
    url">resolve</a> the value of that attribute to an
    <a href="urls.html#absolute-url">absolute URL</a>, relative to the newly created element,
    and if that is successful, run the <a href="offline.html#concept-appcache-init" title="concept-appcache-init">application cache selection
    algorithm</a> with the resulting <a href="urls.html#absolute-url">absolute URL</a> with
    any <a href="urls.html#url-fragment" title="url-fragment">&lt;fragment&gt;</a> component
    removed; otherwise, if there is no such attribute, or its value is
    the empty string, or resolving its value fails, run the <a href="offline.html#concept-appcache-init" title="concept-appcache-init">application cache selection
    algorithm</a> with no manifest. The algorithm must be passed
    the <code><a href="infrastructure.html#document">Document</a></code> object.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-before-head-insertion-mode" title="insertion mode: before head">before head</a>".</p>

   </dd>

   <dt>An end tag whose tag name is one of: "head", "body", "html", "br"</dt>
   <dd>
    <p>Act as described in the "anything else" entry below.</p>
   </dd>

   <dt>Any other end tag</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>

    <p>Create an <code><a href="semantics.html#the-html-element">html</a></code> element. Append it to the
    <code><a href="infrastructure.html#document">Document</a></code> object. Put this element in the <a href="parsing.html#stack-of-open-elements">stack
    of open elements</a>.</p>

    <p>If the <code><a href="infrastructure.html#document">Document</a></code> is being loaded as part of <a href="history.html#navigate" title="navigate">navigation</a> of a <a href="browsers.html#browsing-context">browsing
    context</a>, then: run the <a href="offline.html#concept-appcache-init" title="concept-appcache-init">application cache selection
    algorithm</a> with no manifest, passing it the
    <code><a href="infrastructure.html#document">Document</a></code> object.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-before-head-insertion-mode" title="insertion mode: before head">before head</a>", then
    reprocess the current token.</p>

   </dd>

  </dl><p>The root element can end up being removed from the
  <code><a href="infrastructure.html#document">Document</a></code> object, e.g. by scripts; nothing in particular
  happens in such cases, content continues being appended to the nodes
  as described in the next section.</p>


  <h6 id="the-before-head-insertion-mode"><span class="secno">8.2.5.4.3 </span>The "<dfn title="insertion mode: before head">before head</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#the-before-head-insertion-mode" title="insertion mode: before head">before head</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p>Ignore the token.</p> 
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "head"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Set the <a href="parsing.html#head-element-pointer"><code title="">head</code> element pointer</a>
    to the newly created <code><a href="semantics.html#the-head-element">head</a></code> element.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>".</p>

   </dd>

   <dt>An end tag whose tag name is one of: "head", "body", "html", "br"</dt>
   <dd>

    <p>Act as if a start tag token with the tag name "head" and no
    attributes had been seen, then reprocess the current token.</p>

   </dd>

   <dt>Any other end tag</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>

    <p>Act as if a start tag token with the tag name "head" and no
    attributes had been seen, then reprocess the current
    token.</p>

   </dd>

  </dl><h6 id="parsing-main-inhead"><span class="secno">8.2.5.4.4 </span>The "<dfn title="insertion mode: in head">in head</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p><a href="#insert-a-character" title="insert a character">Insert the character</a> into
    the <a href="parsing.html#current-node">current node</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is one of: "base", "basefont",
   "bgsound", "command", "link"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

   </dd>

   <dt>A start tag whose tag name is "meta"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

    <p id="meta-charset-during-parse">If the element has a <code title="attr-meta-charset"><a href="semantics.html#attr-meta-charset">charset</a></code> attribute, and its value
    is either a supported <a href="infrastructure.html#ascii-compatible-character-encoding">ASCII-compatible character
    encoding</a> or a UTF-16 encoding, and the <a href="parsing.html#concept-encoding-confidence" title="concept-encoding-confidence">confidence</a> is currently
    <i>tentative</i>, then <a href="parsing.html#change-the-encoding">change the encoding</a> to the
    encoding given by the value of the <code title="attr-meta-charset"><a href="semantics.html#attr-meta-charset">charset</a></code> attribute.</p>

    <p>Otherwise, if the element has an <code title="attr-meta-http-equiv"><a href="semantics.html#attr-meta-http-equiv">http-equiv</a></code> attribute whose
    value is an <a href="infrastructure.html#ascii-case-insensitive">ASCII case-insensitive</a> match for the
    string "<code title="">Content-Type</code>", and the element has a
    <code title="attr-meta-content"><a href="semantics.html#attr-meta-content">content</a></code> attribute, and
    applying the <a href="fetching-resources.html#algorithm-for-extracting-an-encoding-from-a-meta-element">algorithm for extracting an encoding from a
    <code>meta</code> element</a> to that attribute's value returns
    a supported <a href="infrastructure.html#ascii-compatible-character-encoding">ASCII-compatible character encoding</a> or a
    UTF-16 encoding, and the <a href="parsing.html#concept-encoding-confidence" title="concept-encoding-confidence">confidence</a> is currently
    <i>tentative</i>, then <a href="parsing.html#change-the-encoding">change the encoding</a> to the
    extracted encoding.</p>

   </dd>

   <dt>A start tag whose tag name is "title"</dt>
   <dd>
    <p>Follow the <a href="#generic-rcdata-element-parsing-algorithm">generic RCDATA element parsing algorithm</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "noscript", if the <a href="parsing.html#scripting-flag">scripting flag</a> is enabled</dt>
   <dt>A start tag whose tag name is one of: "noframes", "style"</dt>
   <dd>
    <p>Follow the <a href="#generic-raw-text-element-parsing-algorithm">generic raw text element parsing algorithm</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "noscript", if the <a href="parsing.html#scripting-flag">scripting flag</a> is disabled</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inheadnoscript" title="insertion mode: in head noscript">in head
    noscript</a>".</p>

   </dd>

   <dt id="scriptTag">A start tag whose tag name is "script"</dt>
   <dd>

    <p>Run these steps:</p>

    <ol><li><p><a href="#create-an-element-for-the-token">Create an element for the token</a> in the
     <a href="namespaces.html#html-namespace-0">HTML namespace</a>.</p></li>

     <li>

      <p>Mark the element as being <a href="scripting-1.html#parser-inserted">"parser-inserted"</a> and
      unset the element's <a href="scripting-1.html#force-async">"force-async"</a> flag.</p>

      <p class="note">This ensures that, if the script is external,
      any <code title="dom-document-write"><a href="apis-in-html-documents.html#dom-document-write">document.write()</a></code>
      calls in the script will execute in-line, instead of blowing the
      document away, as would happen in most other cases. It also
      prevents the script from executing until the end tag is
      seen.</p>

     </li>

     <li><p>If the parser was originally created for the <a href="the-end.html#html-fragment-parsing-algorithm">HTML
     fragment parsing algorithm</a>, then mark the
     <code><a href="scripting-1.html#the-script-element">script</a></code> element as <a href="scripting-1.html#already-started">"already
     started"</a>. (<a href="the-end.html#fragment-case">fragment case</a>)</p></li>

     <li><p>Append the new element to the <a href="parsing.html#current-node">current node</a>
     and push it onto the <a href="parsing.html#stack-of-open-elements">stack of open
     elements</a>.</p></li>

     <li><p>Switch the tokenizer to the <a href="tokenization.html#script-data-state">script data
     state</a>.</p></li>

     <li><p>Let the <a href="parsing.html#original-insertion-mode">original insertion mode</a> be the current
     <a href="parsing.html#insertion-mode">insertion mode</a>.</p>

     </li><li><p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-incdata" title="insertion mode: text">text</a>".</p></li>

    </ol></dd>

   <dt>An end tag whose tag name is "head"</dt>
   <dd>

    <p>Pop the <a href="parsing.html#current-node">current node</a> (which will be the
    <code><a href="semantics.html#the-head-element">head</a></code> element) off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-after-head-insertion-mode" title="insertion mode: after head">after head</a>".</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "html", "br"</dt>
   <dd>
    <p>Act as described in the "anything else" entry below.</p>
   </dd>

   <dt>A start tag whose tag name is "head"</dt>
   <dt>Any other end tag</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>

    

    <p>Act as if an end tag token with the tag name "head" had
    been seen, and reprocess the current token.</p>

   </dd>

  </dl><h6 id="parsing-main-inheadnoscript"><span class="secno">8.2.5.4.5 </span>The "<dfn title="insertion mode: in head noscript">in head noscript</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-inheadnoscript" title="insertion mode: in head noscript">in head noscript</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end tag whose tag name is "noscript"</dt>
   <dd>

    <p>Pop the <a href="parsing.html#current-node">current node</a> (which will be a
    <code><a href="scripting-1.html#the-noscript-element">noscript</a></code> element) from the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>; the new <a href="parsing.html#current-node">current node</a> will be a
    <code><a href="semantics.html#the-head-element">head</a></code> element.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>".</p>

   </dd>

   <dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dt>A comment token</dt>
   <dt>A start tag whose tag name is one of: "basefont", "bgsound",
   "link", "meta", "noframes", "style"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end tag whose tag name is "br"</dt>
   <dd>
    <p>Act as described in the "anything else" entry below.</p>
   </dd>

   <dt>A start tag whose tag name is one of: "head", "noscript"</dt>
   <dt>Any other end tag</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>

    

    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if an end tag with the tag
    name "noscript" had been seen and reprocess the current
    token.</p>

   </dd>

  </dl><h6 id="the-after-head-insertion-mode"><span class="secno">8.2.5.4.6 </span>The "<dfn title="insertion mode: after head">after head</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#the-after-head-insertion-mode" title="insertion mode: after head">after head</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p><a href="#insert-a-character" title="insert a character">Insert the character</a> into
    the <a href="parsing.html#current-node">current node</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "body"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>".</p>

   </dd>

   <dt>A start tag whose tag name is "frameset"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inframeset" title="insertion mode: in frameset">in frameset</a>".</p>

   </dd>

   <dt>A start tag token whose tag name is one of: "base", "basefont",
   "bgsound", "link", "meta", "noframes", "script", "style",
   "title"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>Push the node pointed to by the <a href="parsing.html#head-element-pointer"><code title="">head</code> element pointer</a> onto the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>

    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>

    <p>Remove the node pointed to by the <a href="parsing.html#head-element-pointer"><code title="">head</code> element pointer</a> from the <a href="parsing.html#stack-of-open-elements">stack
    of open elements</a>.</p>

    <p class="note">The <a href="parsing.html#head-element-pointer"><code title="">head</code> element
    pointer</a> cannot be null at this point.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "html", "br"</dt>
   <dd>
    <p>Act as described in the "anything else" entry below.</p>
   </dd>

   <dt>A start tag whose tag name is "head"</dt>
   <dt>Any other end tag</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p>Act as if a start tag token with the tag name "body" and no
    attributes had been seen, then set the <a href="parsing.html#frameset-ok-flag">frameset-ok
    flag</a> back to "ok", and then reprocess the current
    token.</p>
   </dd>

  </dl><h6 id="parsing-main-inbody"><span class="secno">8.2.5.4.7 </span>The "<dfn title="insertion mode: in body">in body</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is U+0000 NULL</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>

    
   </dd>

   <dt>A character token that is one of U+0009 CHARACTER TABULATION,
   U+000A LINE FEED (LF), U+000C FORM FEED (FF), U+000D CARRIAGE
   RETURN (CR), or U+0020 SPACE</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-a-character" title="insert a character">Insert the token's
    character</a> into the <a href="parsing.html#current-node">current node</a>.</p>

   </dd>

   <dt>Any other character token</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-a-character" title="insert a character">Insert the token's
    character</a> into the <a href="parsing.html#current-node">current node</a>.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. For each attribute on the token,
    check to see if the attribute is already present on the top
    element of the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>. If it is not,
    add the attribute and its corresponding value to that element.</p>
   </dd>

   <dt>A start tag token whose tag name is one of: "base", "basefont",
   "bgsound", "command", "link", "meta", "noframes", "script",
   "style", "title"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "body"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the second element on the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> is not a <code><a href="sections.html#the-body-element">body</a></code> element, or, if the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a> has only one node on it,
    then ignore the token. (<a href="the-end.html#fragment-case">fragment case</a>)</p>

    <p>Otherwise, set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok";
    then, for each attribute on the token, check to see if the
    attribute is already present on the <code><a href="sections.html#the-body-element">body</a></code> element (the
    second element) on the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>, and if
    it is not, add the attribute and its corresponding value to that
    element.</p>

   </dd>

   <dt>A start tag whose tag name is "frameset"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the second element on the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> is not a <code><a href="sections.html#the-body-element">body</a></code> element, or, if the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a> has only one node on it,
    then ignore the token. (<a href="the-end.html#fragment-case">fragment case</a>)</p>

    <p>If the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> is set to "not ok", ignore
    the token.</p>

    <p>Otherwise, run the following steps:</p>

    <ol><li><p>Remove the second element on the <a href="parsing.html#stack-of-open-elements">stack of open
     elements</a> from its parent node, if it has one.</p></li>

     <li><p>Pop all the nodes from the bottom of the <a href="parsing.html#stack-of-open-elements">stack of
     open elements</a>, from the <a href="parsing.html#current-node">current node</a> up to,
     but not including, the root <code><a href="semantics.html#the-html-element">html</a></code> element.</p>

     </li><li><p><a href="#insert-an-html-element">Insert an HTML element</a> for the
     token.</p></li>

     <li><p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inframeset" title="insertion mode: in frameset">in frameset</a>".</p>

    </li></ol></dd>

   <dt>An end-of-file token</dt>
   <dd>

    <p>If there is a node in the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
    that is not either a <code><a href="grouping-content.html#the-dd-element">dd</a></code> element, a <code><a href="grouping-content.html#the-dt-element">dt</a></code>
    element, an <code><a href="grouping-content.html#the-li-element">li</a></code> element, a <code><a href="grouping-content.html#the-p-element">p</a></code> element, a
    <code><a href="tabular-data.html#the-tbody-element">tbody</a></code> element, a <code><a href="tabular-data.html#the-td-element">td</a></code> element, a
    <code><a href="tabular-data.html#the-tfoot-element">tfoot</a></code> element, a <code><a href="tabular-data.html#the-th-element">th</a></code> element, a
    <code><a href="tabular-data.html#the-thead-element">thead</a></code> element, a <code><a href="tabular-data.html#the-tr-element">tr</a></code> element, the
    <code><a href="sections.html#the-body-element">body</a></code> element, or the <code><a href="semantics.html#the-html-element">html</a></code> element, then
    this is a <a href="parsing.html#parse-error">parse error</a>.</p> 
    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>

   </dd>

   <dt>An end tag whose tag name is "body"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-scope" title="has an element in scope">have a <code>body</code> element
    in scope</a>, this is a <a href="parsing.html#parse-error">parse error</a>; ignore the
    token.</p>

    
    <p>Otherwise, if there is a node in the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> that is not either a <code><a href="grouping-content.html#the-dd-element">dd</a></code> element, a
    <code><a href="grouping-content.html#the-dt-element">dt</a></code> element, an <code><a href="grouping-content.html#the-li-element">li</a></code> element, an
    <code><a href="the-button-element.html#the-optgroup-element">optgroup</a></code> element, an <code><a href="the-button-element.html#the-option-element">option</a></code> element, a
    <code><a href="grouping-content.html#the-p-element">p</a></code> element, an <code><a href="text-level-semantics.html#the-rp-element">rp</a></code> element, an
    <code><a href="text-level-semantics.html#the-rt-element">rt</a></code> element, a <code><a href="tabular-data.html#the-tbody-element">tbody</a></code> element, a
    <code><a href="tabular-data.html#the-td-element">td</a></code> element, a <code><a href="tabular-data.html#the-tfoot-element">tfoot</a></code> element, a
    <code><a href="tabular-data.html#the-th-element">th</a></code> element, a <code><a href="tabular-data.html#the-thead-element">thead</a></code> element, a
    <code><a href="tabular-data.html#the-tr-element">tr</a></code> element, the <code><a href="sections.html#the-body-element">body</a></code> element, or the
    <code><a href="semantics.html#the-html-element">html</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>.</p> 
    
    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-afterbody" title="insertion mode: after body">after body</a>".</p>

   </dd>

   <dt>An end tag whose tag name is "html"</dt>
   <dd>

    <p>Act as if an end tag with tag name "body" had been seen,
    then, if that token wasn't ignored, reprocess the current
    token.</p>

   </dd>

   

   
   <dt>A start tag whose tag name is one of: "address", "article",
   "aside", "blockquote", "center", "details", "dir", "div", "dl",
   "fieldset", "figcaption", "figure", "footer", "header", "hgroup",
   "menu", "nav", "ol", "p", "section", "summary", "ul"</dt>
   <dd>

    
    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has an
    element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name "p" had
    been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

   </dd>

   
   <dt>A start tag whose tag name is one of: "h1", "h2", "h3", "h4",
   "h5", "h6"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
    an element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name
    "p" had been seen.</p>

    <p>If the <a href="parsing.html#current-node">current node</a> is an element whose tag name
    is one of "h1", "h2", "h3", "h4", "h5", or "h6", then this is a
    <a href="parsing.html#parse-error">parse error</a>; pop the <a href="parsing.html#current-node">current node</a> off
    the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>
    

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

   </dd>

   
   <dt>A start tag whose tag name is one of: "pre", "listing"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
    an element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name
    "p" had been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>If the next token is a U+000A LINE FEED (LF) character
    token, then ignore that token and move on to the next
    one. (Newlines at the start of <code><a href="grouping-content.html#the-pre-element">pre</a></code> blocks are
    ignored as an authoring convenience.)</p>

    
    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

   </dd>

   
   <dt>A start tag whose tag name is "form"</dt>
   <dd>

    <p>If the <a href="parsing.html#form-element-pointer"><code title="form">form</code> element
    pointer</a> is not null, then this is a <a href="parsing.html#parse-error">parse
    error</a>; ignore the token.</p>

    <p>Otherwise:</p>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
    an element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name
    "p" had been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, and set the
    <a href="parsing.html#form-element-pointer"><code title="form">form</code> element pointer</a> to
    point to the element created.</p>

   </dd>

   
   <dt>A start tag whose tag name is "li"</dt>
   <dd>

    <p>Run these steps:</p>

    <ol><li><p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p></li>

     <li><p>Initialize <var title="">node</var> to be the <a href="parsing.html#current-node">current
     node</a> (the bottommost node of the stack).</p></li>

     <li><p><i>Loop</i>: If <var title="">node</var> is an
     <code><a href="grouping-content.html#the-li-element">li</a></code> element, then act as if an end tag with the tag
     name "li" had been seen, then jump to the last step.</p></li>

     <li><p>If <var title="">node</var> is in the <a href="parsing.html#special">special</a>
     category, but is not an <code><a href="sections.html#the-address-element">address</a></code>, <code><a href="grouping-content.html#the-div-element">div</a></code>,
     or <code><a href="grouping-content.html#the-p-element">p</a></code> element, then jump to the last step.</p></li>
     
     <li><p>Otherwise, set <var title="">node</var> to the previous
     entry in the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> and return to
     the step labeled <i>loop</i>.</p></li>

     <li>

      <p>This is the last step.</p>

      <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
      an element in button scope">has a <code>p</code> element in button
      scope</a>, then act as if an end tag with the tag name
      "p" had been seen.</p>

      <p>Finally, <a href="#insert-an-html-element">insert an HTML element</a> for the
      token.</p>

     </li>

    </ol></dd>

   
   <dt>A start tag whose tag name is one of: "dd", "dt"</dt>
   <dd>

    <p>Run these steps:</p>

    <ol><li><p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p></li>

     <li><p>Initialize <var title="">node</var> to be the <a href="parsing.html#current-node">current
     node</a> (the bottommost node of the stack).</p></li>

     <li><p><i>Loop</i>: If <var title="">node</var> is a
     <code><a href="grouping-content.html#the-dd-element">dd</a></code> or <code><a href="grouping-content.html#the-dt-element">dt</a></code> element, then act as if an end
     tag with the same tag name as <var title="">node</var> had been
     seen, then jump to the last step.</p></li>

     <li><p>If <var title="">node</var> is in the <a href="parsing.html#special">special</a>
     category, but is not an <code><a href="sections.html#the-address-element">address</a></code>, <code><a href="grouping-content.html#the-div-element">div</a></code>,
     or <code><a href="grouping-content.html#the-p-element">p</a></code> element, then jump to the last step.</p></li>
     
     <li><p>Otherwise, set <var title="">node</var> to the previous
     entry in the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> and return to
     the step labeled <i>loop</i>.</p></li>

     <li>

      <p>This is the last step.</p>

      <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
      an element in button scope">has a <code>p</code> element in button
      scope</a>, then act as if an end tag with the tag name
      "p" had been seen.</p>

      <p>Finally, <a href="#insert-an-html-element">insert an HTML element</a> for the
      token.</p>

     </li>

    </ol></dd>

   
   <dt>A start tag whose tag name is "plaintext"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
    an element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name
    "p" had been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Switch the tokenizer to the <a href="tokenization.html#plaintext-state">PLAINTEXT state</a>.</p>

    <p class="note">Once a start tag with the tag name "plaintext" has
    been seen, that will be the last token ever seen other than
    character tokens (and the end-of-file token), because there is no
    way to switch out of the <a href="tokenization.html#plaintext-state">PLAINTEXT state</a>.</p>

   </dd>

   
   <dt>A start tag whose tag name is "button"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-scope" title="has
    an element in scope">has a <code>button</code> element in
    scope</a>, then this is a <a href="parsing.html#parse-error">parse error</a>;
    act as if an end tag with the tag name "button" had been seen,
    then reprocess the token.</p>

    <p>Otherwise:</p>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

   </dd>

   

   
   <dt>An end tag whose tag name is one of: "address", "article",
   "aside", "blockquote", "button", "center", "details", "dir", "div",
   "dl", "fieldset", "figcaption", "figure", "footer", "header",
   "hgroup", "listing", "menu", "nav", "ol", "pre", "section",
   "summary", "ul"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-scope" title="has an element in scope">have an element in scope</a>
    with the same tag name as that of the token, then this is a
    <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not an element with
     the same tag name as that of the token, then this is a
     <a href="parsing.html#parse-error">parse error</a>.</p></li>

     <li><p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
     until an element with the same tag name as the token has been
     popped from the stack.</p></li>

    </ol></dd>

   
   <dt>An end tag whose tag name is "form"</dt>
   <dd>

    <p>Let <var title="">node</var> be the element that the
    <a href="parsing.html#form-element-pointer"><code title="">form</code> element pointer</a> is set
    to.</p>

    <p>Set the <a href="parsing.html#form-element-pointer"><code title="">form</code> element pointer</a>
    to null.</p>

    <p>If <var title="">node</var> is null or the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> does not <a href="parsing.html#has-an-element-in-scope" title="has an element in
    scope">have <var title="">node</var> in scope</a>, then this is
    a <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not <var title="">node</var>, then this is a <a href="parsing.html#parse-error">parse
     error</a>.</p></li>

     <li><p>Remove <var title="">node</var> from the <a href="parsing.html#stack-of-open-elements">stack of
     open elements</a>.</p></li>

    </ol></dd>

   
   <dt>An end tag whose tag name is "p"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-button-scope" title="has an element in button scope">have an element in button
    scope</a> with the same tag name as that of the token, then this
    is a <a href="parsing.html#parse-error">parse error</a>; act as if a start tag with the tag
    name "p" had been seen, then reprocess the current token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>, except
     for elements with the same tag name as the token.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not an element with
     the same tag name as that of the token, then this is a
     <a href="parsing.html#parse-error">parse error</a>.</p></li>

     <li><p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
     until an element with the same tag name as the token has been
     popped from the stack.</p></li>

    </ol></dd>

   
   <dt>An end tag whose tag name is "li"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-list-item-scope" title="has an element in list item scope">have an element in list
    item scope</a> with the same tag name as that of the token,
    then this is a <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>, except
     for elements with the same tag name as the token.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not an element with
     the same tag name as that of the token, then this is a
     <a href="parsing.html#parse-error">parse error</a>.</p></li>

     <li><p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
     until an element with the same tag name as the token has been
     popped from the stack.</p></li>

    </ol></dd>

   
   <dt>An end tag whose tag name is one of: "dd", "dt"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-scope" title="has an element in scope">have an element in scope</a>
    with the same tag name as that of the token, then this is a
    <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>, except
     for elements with the same tag name as the token.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not an element with
     the same tag name as that of the token, then this is a
     <a href="parsing.html#parse-error">parse error</a>.</p></li>

     <li><p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
     until an element with the same tag name as the token has been
     popped from the stack.</p></li>

    </ol></dd>

   
   <dt>An end tag whose tag name is one of: "h1", "h2", "h3", "h4", "h5", "h6"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-scope" title="has an element in scope">have an element in scope</a>
    whose tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6",
    then this is a <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not an element with
     the same tag name as that of the token, then this is a
     <a href="parsing.html#parse-error">parse error</a>.</p></li>

     <li><p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
     until an element whose tag name is one of "h1", "h2", "h3", "h4",
     "h5", or "h6" has been popped from the stack.</p></li>

    </ol></dd>

   

   <dt>An end tag whose tag name is "sarcasm"</dt>
   <dd>
    <p>Take a deep breath, then act as described in the "any other end
    tag" entry below.</p>
   </dd>

   
   <dt>A start tag whose tag name is "a"</dt>
   <dd>

    <p>If the <a href="parsing.html#list-of-active-formatting-elements">list of active formatting elements</a>
    contains an element whose tag name is "a" between the end of
    the list and the last marker on the list (or the start of the
    list if there is no marker on the list), then this is a
    <a href="parsing.html#parse-error">parse error</a>; act as if an end tag with the tag
    name "a" had been seen, then remove that element from the
    <a href="parsing.html#list-of-active-formatting-elements">list of active formatting elements</a> and the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a> if the end tag didn't
    already remove it (it might not have if the element is not
    <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">in table
    scope</a>).</p>

    <p class="example">In the non-conforming stream
    <code>&lt;a&#160;href="a"&gt;a&lt;table&gt;&lt;a&#160;href="b"&gt;b&lt;/table&gt;x</code>,
    the first <code><a href="text-level-semantics.html#the-a-element">a</a></code> element would be closed upon seeing the
    second one, and the "x" character would be inside a link to "b",
    not to "a". This is despite the fact that the outer <code><a href="text-level-semantics.html#the-a-element">a</a></code>
    element is not in table scope (meaning that a regular
    <code>&lt;/a&gt;</code> end tag at the start of the table wouldn't
    close the outer <code><a href="text-level-semantics.html#the-a-element">a</a></code> element). The result is that the
    two <code><a href="text-level-semantics.html#the-a-element">a</a></code> elements are indirectly nested inside each
    other &#8212; non-conforming markup will often result in
    non-conforming DOMs when parsed.</p>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. <a href="parsing.html#push-onto-the-list-of-active-formatting-elements">Push
    onto the list of active formatting elements</a> that
    element.</p>

   </dd>

   <dt>A start tag whose tag name is one of: "b", "big", "code", "em",
   "font", "i", "s", "small", "strike", "strong", "tt", "u"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. <a href="parsing.html#push-onto-the-list-of-active-formatting-elements">Push
    onto the list of active formatting elements</a> that
    element.</p>

   </dd>

   <dt>A start tag whose tag name is "nobr"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-scope" title="has an
    element in scope">has a <code>nobr</code> element in scope</a>,
    then this is a <a href="parsing.html#parse-error">parse error</a>; act as if an end tag with
    the tag name "nobr" had been seen, then once again
    <a href="parsing.html#reconstruct-the-active-formatting-elements">reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. <a href="parsing.html#push-onto-the-list-of-active-formatting-elements">Push
    onto the list of active formatting elements</a> that
    element.</p>

   </dd>

   <dt id="adoptionAgency">An end tag whose tag name is one of: "a",
   "b", "big", "code", "em", "font", "i", "nobr", "s", "small",
   "strike", "strong", "tt", "u"</dt>
   <dd>

    <p>Run these steps:</p>

    <ol><li><p>Let <var title="">outer loop counter</var> be
     zero.</p></li>

     <li><p><i>Outer loop</i>: If <var title="">outer loop
     counter</var> is greater than or equal to eight, then abort these
     steps.</p></li>

     <li><p>Increment <var title="">outer loop counter</var> by
     one.</p></li>

     <li>

      <p>Let the <var title="">formatting element</var> be the last
      element in the <a href="parsing.html#list-of-active-formatting-elements">list of active formatting elements</a>
      that:</p>

      <ul><li>is between the end of the list and the last scope
       marker in the list, if any, or the start of the list
       otherwise, and</li>

       <li>has the same tag name as the token.</li>

      </ul><p>If there is no such node, then abort these steps and instead
      act as described in the "any other end tag" entry below.</p>

      <p>Otherwise, if there is such a node, but that node is not
      in the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>, then this is a
      <a href="parsing.html#parse-error">parse error</a>; remove the element from the list,
      and abort these steps.</p>

      <p>Otherwise, if there is such a node, and that node is also in
      the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>, but the element is not
      <a href="parsing.html#has-an-element-in-scope" title="has an element in scope">in scope</a>, then this
      is a <a href="parsing.html#parse-error">parse error</a>; ignore the token, and abort these
      steps.</p>

      <p>Otherwise, there is a <var title="">formatting
      element</var> and that element is in <a href="parsing.html#stack-of-open-elements" title="stack of
      open elements">the stack</a> and is <a href="parsing.html#has-an-element-in-scope" title="has an
      element in scope">in scope</a>. If the element is not the
      <a href="parsing.html#current-node">current node</a>, this is a <a href="parsing.html#parse-error">parse
      error</a>. In any case, proceed with the algorithm as
      written in the following steps.</p>

     </li>

     <li><p>Let the <var title="">furthest block</var> be the topmost
     node in the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> that is lower in
     the stack than the <var title="">formatting element</var>, and is
     an element in the <a href="parsing.html#special">special</a> category. There might not
     be one.</p></li>

     <li><p>If there is no <var title="">furthest block</var>,
     then the UA must skip the subsequent steps and instead just
     pop all the nodes from the bottom of the <a href="parsing.html#stack-of-open-elements">stack of open
     elements</a>, from the <a href="parsing.html#current-node">current node</a> up to and
     including the <var title="">formatting element</var>, and
     remove the <var title="">formatting element</var> from the
     <a href="parsing.html#list-of-active-formatting-elements">list of active formatting elements</a>.</p></li>

     <li><p>Let the <var title="">common ancestor</var> be the element
     immediately above the <var title="">formatting element</var> in the
     <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p></li>

     <li><p>Let a bookmark note the position of the <var title="">formatting element</var> in the <a href="parsing.html#list-of-active-formatting-elements">list of active
     formatting elements</a> relative to the elements on either
     side of it in the list.</p></li>

     <li>

      <p>Let <var title="">node</var> and <var title="">last node</var> be the
      <var title="">furthest block</var>. Follow these steps:</p>

      <ol><li><p>Let <var title="">inner loop counter</var> be
       zero.</p></li>

       <li><p><i>Inner loop</i>: If <var title="">inner loop
       counter</var> is greater than or equal to three, then abort these
       steps.</p></li>

       <li><p>Increment <var title="">inner loop counter</var> by
       one.</p></li>

       <li>Let <var title="">node</var> be the element immediately
       above <var title="">node</var> in the <a href="parsing.html#stack-of-open-elements">stack of open
       elements</a>, or if <var title="">node</var> is no longer in
       the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> (e.g. because it got
       removed by the next step), the element that was immediately
       above <var title="">node</var> in the <a href="parsing.html#stack-of-open-elements">stack of open
       elements</a> before <var title="">node</var> was
       removed.</li>

       <li>If <var title="">node</var> is not in the <a href="parsing.html#list-of-active-formatting-elements">list of
       active formatting elements</a>, then remove <var title="">node</var> from the <a href="parsing.html#stack-of-open-elements">stack of open
       elements</a> and then go back to the step labeled <i>inner
       loop</i>.</li>

       <li>Otherwise, if <var title="">node</var> is the <var title="">formatting element</var>, then go to the next step
       in the overall algorithm.</li>

       <li><a href="#create-an-element-for-the-token">Create an element for the token</a> for which the
       element <var title="">node</var> was created, replace the entry
       for <var title="">node</var> in the <a href="parsing.html#list-of-active-formatting-elements">list of active
       formatting elements</a> with an entry for the new element,
       replace the entry for <var title="">node</var> in the
       <a href="parsing.html#stack-of-open-elements">stack of open elements</a> with an entry for the new
       element, and let <var title="">node</var> be the new
       element.</li>

       <li>If <var title="">last node</var> is the <var title="">furthest block</var>, then move the aforementioned
       bookmark to be immediately after the new <var title="">node</var> in the <a href="parsing.html#list-of-active-formatting-elements">list of active formatting
       elements</a>.</li>

       <li>Insert <var title="">last node</var> into <var title="">node</var>, first removing it from its previous
       parent node if any.</li>

       <li>Let <var title="">last node</var> be <var title="">node</var>.</li>

       <li>Return to the step labeled <i>inner loop</i>.</li>

      </ol></li>

     <li>

      <p>If the <var title="">common ancestor</var> node is a
      <code><a href="tabular-data.html#the-table-element">table</a></code>, <code><a href="tabular-data.html#the-tbody-element">tbody</a></code>, <code><a href="tabular-data.html#the-tfoot-element">tfoot</a></code>,
      <code><a href="tabular-data.html#the-thead-element">thead</a></code>, or <code><a href="tabular-data.html#the-tr-element">tr</a></code> element, then,
      <a href="#foster-parent">foster parent</a> whatever <var title="">last
      node</var> ended up being in the previous step, first removing
      it from its previous parent node if any.</p>

      <p>Otherwise, append whatever <var title="">last node</var>
      ended up being in the previous step to the <var title="">common
      ancestor</var> node, first removing it from its previous parent
      node if any.</p>

     </li>

     <li><p><a href="#create-an-element-for-the-token">Create an element for the token</a> for which the
     <var title="">formatting element</var> was created.</p></li>

     <li><p>Take all of the child nodes of the <var title="">furthest
     block</var> and append them to the element created in the last
     step.</p></li>

     <li><p>Append that new element to the <var title="">furthest
     block</var>.</p></li>

     <li><p>Remove the <var title="">formatting element</var> from the
     <a href="parsing.html#list-of-active-formatting-elements">list of active formatting elements</a>, and insert the
     new element into the <a href="parsing.html#list-of-active-formatting-elements">list of active formatting
     elements</a> at the position of the aforementioned
     bookmark.</p></li>

     <li><p>Remove the <var title="">formatting element</var> from the
     <a href="parsing.html#stack-of-open-elements">stack of open elements</a>, and insert the new element
     into the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> immediately below
     the position of the <var title="">furthest block</var> in that
     stack.</p></li>

     <li><p>Jump back to the step labeled <i>outer loop</i>.</p></li>

    </ol><p class="note">Because of the way this algorithm causes elements
    to change parents, it has been dubbed the "adoption agency
    algorithm" (in contrast with other possible algorithms for dealing
    with misnested content, which included the "incest algorithm", the
    "secret affair algorithm", and the "Heisenberg algorithm").</p>

   </dd>

   <dt>A start tag token whose tag name is one of: "applet",
   "marquee", "object"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Insert a marker at the end of the <a href="parsing.html#list-of-active-formatting-elements">list of active
    formatting elements</a>.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

   </dd>

   <dt>An end tag token whose tag name is one of: "applet",
   "marquee", "object"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-scope" title="has an element in scope">have an element in scope</a>
    with the same tag name as that of the token, then this is a
    <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

    <p>Otherwise, run these steps:</p>

    <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>.</p></li>

     <li><p>If the <a href="parsing.html#current-node">current node</a> is not an element with
     the same tag name as that of the token, then this is a
     <a href="parsing.html#parse-error">parse error</a>.</p></li>

     <li><p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
     until an element with the same tag name as the token has been
     popped from the stack.</p></li>

     <li><a href="parsing.html#clear-the-list-of-active-formatting-elements-up-to-the-last-marker">Clear the list of active formatting elements up to the
     last marker</a>.</li>

    </ol></dd>

   <dt>A start tag whose tag name is "table"</dt>
   <dd>

    <p>If the <code><a href="infrastructure.html#document">Document</a></code> is <em>not</em> set to
    <a href="dom.html#quirks-mode">quirks mode</a>, and the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has an element in button scope">has a
    <code>p</code> element in button scope</a>, then act as if an
    end tag with the tag name "p" had been seen.</p> 
    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "area", "br", "embed",
   "img", "keygen", "wbr"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>
    

   </dd>

   <dt>A start tag whose tag name is "input"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

    <p>If the token does not have an attribute with the name "type",
    or if it does, but that attribute's value is not an <a href="infrastructure.html#ascii-case-insensitive">ASCII
    case-insensitive</a> match for the string "<code title="">hidden</code>", then: set the <a href="parsing.html#frameset-ok-flag">frameset-ok
    flag</a> to "not ok".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "param", "source", "track"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

   </dd>

   <dt>A start tag whose tag name is "hr"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
    an element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name
    "p" had been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

   </dd>

   <dt>A start tag whose tag name is "image"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Change the token's tag name
    to "img" and reprocess it. (Don't ask.)</p>    </dd>

   <dt id="isindex">A start tag whose tag name is "isindex"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the <a href="parsing.html#form-element-pointer"><code title="">form</code> element
    pointer</a> is not null, then ignore the token.</p>

    <p>Otherwise:</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p> 
    <p>Act as if a start tag token with the tag name "form" had been seen.</p>

    <p>If the token has an attribute called "action", set the
    <code title="attr-fs-action"><a href="association-of-controls-and-forms.html#attr-fs-action">action</a></code> attribute on the
    resulting <code><a href="forms.html#the-form-element">form</a></code> element to the value of the
    "action" attribute of the token.</p>

    <p>Act as if a start tag token with the tag name "hr" had been
    seen.</p>

    <p>Act as if a start tag token with the tag name "label" had been
    seen.</p>

    <p>Act as if a stream of character tokens had been seen (see below
    for what they should say).</p>

    <p>Act as if a start tag token with the tag name "input" had been
    seen, with all the attributes from the "isindex" token except
    "name", "action", and "prompt". Set the <code title="attr-fe-name"><a href="association-of-controls-and-forms.html#attr-fe-name">name</a></code> attribute of the resulting
    <code><a href="the-input-element.html#the-input-element">input</a></code> element to the value "<code title="attr-fe-name-isindex"><a href="association-of-controls-and-forms.html#attr-fe-name-isindex">isindex</a></code>".</p>

    <p>Act as if a stream of character tokens had been seen (see
    below for what they should say).</p>

    <p>Act as if an end tag token with the tag name "label" had been
    seen.</p>

    <p>Act as if a start tag token with the tag name "hr" had been
    seen.</p>

    <p>Act as if an end tag token with the tag name "form" had been
    seen.</p>

    <p>If the token has an attribute with the name "prompt", then the
    first stream of characters must be the same string as given in
    that attribute, and the second stream of characters must be
    empty. Otherwise, the two streams of character tokens together
    should, together with the <code><a href="the-input-element.html#the-input-element">input</a></code> element, express the
    equivalent of "This is a searchable index. Enter search keywords:
    (input field)" in the user's preferred language.</p>

   </dd>

   <dt>A start tag whose tag name is "textarea"</dt>
   <dd>

    <p>Run these steps:</p>

    <ol><li><p><a href="#insert-an-html-element">Insert an HTML element</a> for the
     token.</p></li>

     <li><p>If the next token is a U+000A LINE FEED (LF) character
     token, then ignore that token and move on to the next
     one. (Newlines at the start of <code><a href="the-button-element.html#the-textarea-element">textarea</a></code> elements are
     ignored as an authoring convenience.)</p></li>

     

     <li><p>Switch the tokenizer to the <a href="tokenization.html#rcdata-state">RCDATA
     state</a>.</p></li>

     <li><p>Let the <a href="parsing.html#original-insertion-mode">original insertion mode</a> be the
     current <a href="parsing.html#insertion-mode">insertion mode</a>.</p>

     </li><li><p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not
     ok".</p></li>

     <li><p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-incdata" title="insertion mode: text">text</a>".</p></li>

    </ol></dd>

   <dt>A start tag whose tag name is "xmp"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-button-scope" title="has
    an element in button scope">has a <code>p</code> element in button
    scope</a>, then act as if an end tag with the tag name
    "p" had been seen.</p>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

    <p>Follow the <a href="#generic-raw-text-element-parsing-algorithm">generic raw text element parsing algorithm</a>.</p>

   </dd>

   <dt>A start tag whose tag name is "iframe"</dt>
   <dd>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

    <p>Follow the <a href="#generic-raw-text-element-parsing-algorithm">generic raw text element parsing algorithm</a>.</p>

   </dd>

   <dt>A start tag whose tag name is "noembed"</dt>
   <dt>A start tag whose tag name is "noscript", if the <a href="parsing.html#scripting-flag">scripting flag</a> is enabled</dt>
   <dd>

    <p>Follow the <a href="#generic-raw-text-element-parsing-algorithm">generic raw text element parsing algorithm</a>.</p>

   </dd>

   <dt>A start tag whose tag name is "select"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

    <p>If the <a href="parsing.html#insertion-mode">insertion mode</a> is one of "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>", "<a href="#parsing-main-incaption" title="insertion mode: in caption">in caption</a>", "<a href="#parsing-main-intbody" title="insertion mode: in table body">in table body</a>",
    "<a href="#parsing-main-intr" title="insertion mode: in row">in row</a>", or "<a href="#parsing-main-intd" title="insertion mode: in cell">in cell</a>", then switch the
    <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inselectintable" title="insertion mode: in
    select in table">in select in table</a>". Otherwise, switch the
    <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-inselect" title="insertion mode: in
    select">in select</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "optgroup", "option"</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is an <code><a href="the-button-element.html#the-option-element">option</a></code>
    element, then act as if an end tag with the tag name "option" had
    been seen.</p>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

   </dd>

   <dt>A start tag whose tag name is one of: "rp", "rt"</dt>
   <dd>

    
    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-scope" title="has an
    element in scope">has a <code>ruby</code> element in scope</a>,
    then <a href="#generate-implied-end-tags">generate implied end tags</a>. If the <a href="parsing.html#current-node">current
    node</a> is not then a <code><a href="text-level-semantics.html#the-ruby-element">ruby</a></code> element, this is a
    <a href="parsing.html#parse-error">parse error</a>; pop all the nodes from the <a href="parsing.html#current-node">current
    node</a> up to the node immediately before the bottommost
    <code><a href="text-level-semantics.html#the-ruby-element">ruby</a></code> element on the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

   </dd>

   <dt>An end tag whose tag name is "br"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if a start tag token with
    the tag name "br" had been seen. Ignore the end tag token.</p>
   </dd>

   <dt>A start tag whose tag name is "math"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#adjust-mathml-attributes">Adjust MathML attributes</a> for the token. (This
    fixes the case of MathML attributes that are not all
    lowercase.)</p>

    <p><a href="#adjust-foreign-attributes">Adjust foreign attributes</a> for the token. (This
    fixes the use of namespaced attributes, in particular XLink.)</p>

    <p><a href="#insert-a-foreign-element">Insert a foreign element</a> for the token, in the
    <a href="namespaces.html#mathml-namespace">MathML namespace</a>.</p>

    
    <p>If the token has its <i>self-closing flag</i> set, pop the
    <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> and <a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing
    flag">acknowledge the token's <i>self-closing flag</i></a>.</p>

   </dd>

   <dt>A start tag whose tag name is "svg"</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#adjust-svg-attributes">Adjust SVG attributes</a> for the token. (This fixes
    the case of SVG attributes that are not all lowercase.)</p>

    <p><a href="#adjust-foreign-attributes">Adjust foreign attributes</a> for the token. (This
    fixes the use of namespaced attributes, in particular XLink in
    SVG.)</p>

    <p><a href="#insert-a-foreign-element">Insert a foreign element</a> for the token, in the
    <a href="namespaces.html#svg-namespace">SVG namespace</a>.</p>

    
    <p>If the token has its <i>self-closing flag</i> set, pop the
    <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> and <a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing
    flag">acknowledge the token's <i>self-closing flag</i></a>.</p>

   </dd>

   <dt>A start  tag whose tag name is one of: "caption",
   "col", "colgroup", "frame", "head", "tbody", "td", "tfoot", "th",
   "thead", "tr"</dt>
         <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
       </dd>

   <dt>Any other start tag</dt>
   <dd>

    <p><a href="parsing.html#reconstruct-the-active-formatting-elements">Reconstruct the active formatting elements</a>, if
    any.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p class="note">This element will be an <a href="parsing.html#ordinary">ordinary</a>
    element.</p>

   </dd>

   <dt>Any other end tag</dt>
   <dd>

    <p>Run these steps:</p>

    <ol><li><p>Initialize <var title="">node</var> to be the <a href="parsing.html#current-node">current
     node</a> (the bottommost node of the stack).</p></li>

     <li><p><i>Loop</i>: If <var title="">node</var> has the same tag
     name as the token, then:</p>

      <ol><li><p><a href="#generate-implied-end-tags">Generate implied end tags</a>, except
       for elements with the same tag name as the token.</p></li>

       <li><p>If the tag name of the end tag token does not match
       the tag name of the <a href="parsing.html#current-node">current node</a>, this is a
       <a href="parsing.html#parse-error">parse error</a>.</p></li>

       <li><p>Pop all the nodes from the <a href="parsing.html#current-node">current node</a> up
       to <var title="">node</var>, including <var title="">node</var>, then stop these steps.</p></li>

      </ol></li>

     <li><p>Otherwise, if <var title="">node</var> is in the
     <a href="parsing.html#special">special</a> category, then this is a <a href="parsing.html#parse-error">parse
     error</a>; ignore the token, and abort these steps.</p></li>

     <li><p>Set <var title="">node</var> to the previous entry in the
     <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p></li>

     <li><p>Return to the step labeled <i>loop</i>.</p></li>

    </ol></dd>

  </dl><h6 id="parsing-main-incdata"><span class="secno">8.2.5.4.8 </span>The "<dfn title="insertion mode: text">text</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-incdata" title="insertion mode: text">text</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token</dt>
   <dd>

    <p><a href="#insert-a-character" title="insert a character">Insert the token's
    character</a> into the <a href="parsing.html#current-node">current node</a>.</p>

    <p class="note">This can never be a U+0000 NULL character; the
    tokenizer converts those to U+FFFD REPLACEMENT CHARACTER
    characters.</p>

   </dd>

   <dt>An end-of-file token</dt>
   <dd>

    
    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the <a href="parsing.html#current-node">current node</a> is a <code><a href="scripting-1.html#the-script-element">script</a></code>
    element, mark the <code><a href="scripting-1.html#the-script-element">script</a></code> element as <a href="scripting-1.html#already-started">"already
    started"</a>.</p>

    <p>Pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to the <a href="parsing.html#original-insertion-mode">original
    insertion mode</a> and reprocess the current token.</p>

   </dd>

   <dt id="scriptEndTag">An end tag whose tag name is "script"</dt>
   <dd>

    <p><a href="webappapis.html#provide-a-stable-state">Provide a stable state</a>.</p>

    <p>Let <var title="">script</var> be the <a href="parsing.html#current-node">current node</a>
    (which will be a <code><a href="scripting-1.html#the-script-element">script</a></code> element).</p>

    <p>Pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to the <a href="parsing.html#original-insertion-mode">original
    insertion mode</a>.</p>

    <p>Let the <var title="">old insertion point</var> have the
    same value as the current <a href="parsing.html#insertion-point">insertion point</a>. Let
    the <a href="parsing.html#insertion-point">insertion point</a> be just before the <a href="parsing.html#next-input-character">next
    input character</a>.</p>

    <p>Increment the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> by
    one.</p>

    <p><a href="scripting-1.html#prepare-a-script" title="prepare a script">Prepare</a> the <var title="">script</var>. This might cause some script to execute,
    which might cause <a href="apis-in-html-documents.html#dom-document-write" title="dom-document-write">new characters
    to be inserted into the tokenizer</a>, and might cause the
    tokenizer to output more tokens, resulting in a <a href="parsing.html#nestedParsing">reentrant invocation of the parser</a>.</p>

    <p>Decrement the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> by
    one. If the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> is zero,
    then set the <a href="parsing.html#parser-pause-flag">parser pause flag</a> to false.</p>

    <p>Let the <a href="parsing.html#insertion-point">insertion point</a> have the value of the <var title="">old insertion point</var>. (In other words, restore the
    <a href="parsing.html#insertion-point">insertion point</a> to its previous value. This value
    might be the "undefined" value.)</p>

    <p id="scriptTagParserResumes">At this stage, if there is a
    <a href="scripting-1.html#pending-parsing-blocking-script">pending parsing-blocking script</a>, then:</p>

    <dl class="switch"><dt>If the <a href="parsing.html#script-nesting-level">script nesting level</a> is not zero:</dt>

     <dd>

      <p>Set the <a href="parsing.html#parser-pause-flag">parser pause flag</a> to true, and abort the
      processing of any nested invocations of the tokenizer, yielding
      control back to the caller. (Tokenization will resume when the
      caller returns to the "outer" tree construction stage.)</p>

      <p class="note">The tree construction stage of this particular
      parser is <a href="parsing.html#nestedParsing">being called reentrantly</a>,
      say from a call to <code title="dom-document-write"><a href="apis-in-html-documents.html#dom-document-write">document.write()</a></code>.</p>

     </dd>


     <dt>Otherwise:</dt>

     <dd>

      <p>Run these steps:</p>

      <ol><li><p>Let <var title="">the script</var> be the <a href="scripting-1.html#pending-parsing-blocking-script">pending
       parsing-blocking script</a>. There is no longer a <a href="scripting-1.html#pending-parsing-blocking-script">pending
       parsing-blocking script</a>.</p></li>

       <li><p>Block the <a href="tokenization.html#tokenization" title="tokenization">tokenizer</a>
       for this instance of the <a href="parsing.html#html-parser">HTML parser</a>, such that
       the <a href="webappapis.html#event-loop">event loop</a> will not run <a href="webappapis.html#concept-task" title="concept-task">tasks</a> that invoke the <a href="tokenization.html#tokenization" title="tokenization">tokenizer</a>.</p></li>

       <li><p>If the parser's <code><a href="infrastructure.html#document">Document</a></code> <a href="semantics.html#has-a-style-sheet-that-is-blocking-scripts">has a style
       sheet that is blocking scripts</a> or <var title="">the
       script</var>'s <a href="scripting-1.html#ready-to-be-parser-executed">"ready to be parser-executed"</a> flag
       is not set: <a href="webappapis.html#spin-the-event-loop">spin the event loop</a> until the parser's
       <code><a href="infrastructure.html#document">Document</a></code> <a href="semantics.html#has-no-style-sheet-that-is-blocking-scripts">has no style sheet that is blocking
       scripts</a> and <var title="">the script</var>'s
       <a href="scripting-1.html#ready-to-be-parser-executed">"ready to be parser-executed"</a> flag is
       set.</p></li>

       <li><p>Unblock the <a href="tokenization.html#tokenization" title="tokenization">tokenizer</a>
       for this instance of the <a href="parsing.html#html-parser">HTML parser</a>, such that
       <a href="webappapis.html#concept-task" title="concept-task">tasks</a> that invoke the <a href="tokenization.html#tokenization" title="tokenization">tokenizer</a> can again be
       run.</p></li>

       <li><p>Let the <a href="parsing.html#insertion-point">insertion point</a> be just before the
       <a href="parsing.html#next-input-character">next input character</a>.</p></li>

       <li><p>Increment the parser's <a href="parsing.html#script-nesting-level">script nesting level</a>
       by one (it should be zero before this step, so this sets it to
       one).</p></li>

       <li><p><a href="scripting-1.html#execute-the-script-block" title="execute the script block">Execute</a>
       <var title="">the script</var>.</p></li>

       <li><p>Decrement the parser's <a href="parsing.html#script-nesting-level">script nesting level</a>
       by one. If the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> is
       zero (which it always should be at this point), then set the
       <a href="parsing.html#parser-pause-flag">parser pause flag</a> to false.</p>

       </li><li><p>Let the <a href="parsing.html#insertion-point">insertion point</a> be undefined
       again.</p></li>

       <li><p>If there is once again a <a href="scripting-1.html#pending-parsing-blocking-script">pending parsing-blocking
       script</a>, then repeat these steps from step 1.</p></li>

      </ol></dd>

    </dl></dd>

   <dt>Any other end tag</dt>
   <dd>

    <p>Pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to the <a href="parsing.html#original-insertion-mode">original
    insertion mode</a>.</p>

   </dd>

  </dl><h6 id="parsing-main-intable"><span class="secno">8.2.5.4.9 </span>The "<dfn title="insertion mode: in table">in table</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token</dt>
   <dd>

     <p>Let the <dfn id="pending-table-character-tokens"><var>pending table character tokens</var></dfn>
     be an empty list of tokens.</p>

     <p>Let the <a href="parsing.html#original-insertion-mode">original insertion mode</a> be the current
     <a href="parsing.html#insertion-mode">insertion mode</a>.</p>

     <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intabletext" title="insertion mode: in table text">in table text</a>" and
     reprocess the token.</p>

   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "caption"</dt>
   <dd>

    <p><a href="#clear-the-stack-back-to-a-table-context">Clear the stack back to a table context</a>. (See
    below.)</p>

    <p>Insert a marker at the end of the <a href="parsing.html#list-of-active-formatting-elements">list of active
    formatting elements</a>.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, then
    switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-incaption" title="insertion mode: in caption">in caption</a>".</p>

   </dd>

   <dt>A start tag whose tag name is "colgroup"</dt>
   <dd>

    <p><a href="#clear-the-stack-back-to-a-table-context">Clear the stack back to a table context</a>. (See
    below.)</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, then
    switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-incolgroup" title="insertion mode: in column group">in column
    group</a>".</p>

   </dd>

   <dt>A start tag whose tag name is "col"</dt>
   <dd>
    <p>Act as if a start tag token with the tag name "colgroup"
    had been seen, then reprocess the current token.</p>
   </dd>

   <dt>A start tag whose tag name is one of: "tbody", "tfoot", "thead"</dt>
   <dd>

    <p><a href="#clear-the-stack-back-to-a-table-context">Clear the stack back to a table context</a>. (See
    below.)</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, then
    switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intbody" title="insertion mode: in table body">in table
    body</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "td", "th", "tr"</dt>
   <dd>
    <p>Act as if a start tag token with the tag name "tbody" had
    been seen, then reprocess the current token.</p>
   </dd>

   <dt>A start tag whose tag name is "table"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if an end tag token with
    the tag name "table" had been seen, then, if that token wasn't
    ignored, reprocess the current token.</p>

    <p class="note">The fake end tag token here can only be
    ignored in the <a href="the-end.html#fragment-case">fragment case</a>.</p>

   </dd>

   <dt>An end tag whose tag name is "table"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as the token, this is a
    <a href="parsing.html#parse-error">parse error</a>. Ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise:</p>

    <p>Pop elements from this stack until a <code><a href="tabular-data.html#the-table-element">table</a></code>
    element has been popped from the stack.</p>

    <p><a href="parsing.html#reset-the-insertion-mode-appropriately">Reset the insertion mode appropriately</a>.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "caption",
   "col", "colgroup", "html", "tbody", "td", "tfoot", "th",
   "thead", "tr"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is one of: "style", "script"</dt>
   <dd>

    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>

   </dd>

   <dt>A start tag whose tag name is "input"</dt>
   <dd>

    <p>If the token does not have an attribute with the name "type",
    or if it does, but that attribute's value is not an <a href="infrastructure.html#ascii-case-insensitive">ASCII
    case-insensitive</a> match for the string "<code title="">hidden</code>", then: act as described in the "anything
    else" entry below.</p>

    <p>Otherwise:</p>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

    <p>Pop that <code><a href="the-input-element.html#the-input-element">input</a></code> element off the <a href="parsing.html#stack-of-open-elements">stack of
    open elements</a>.</p>

   </dd>

   <dt>A start tag whose tag name is "form"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the <a href="parsing.html#form-element-pointer"><code title="form">form</code> element
    pointer</a> is not null, ignore the token.</p>

    <p>Otherwise:</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, and set the
    <a href="parsing.html#form-element-pointer"><code title="form">form</code> element pointer</a> to
    point to the element created.</p>

    <p>Pop that <code><a href="forms.html#the-form-element">form</a></code> element off the <a href="parsing.html#stack-of-open-elements">stack of
    open elements</a>.</p>

   </dd>

   

   <dt>An end-of-file token</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is not the root
    <code><a href="semantics.html#the-html-element">html</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>.</p>

    <p class="note">It can only be the <a href="parsing.html#current-node">current node</a> in
    the <a href="the-end.html#fragment-case">fragment case</a>.</p>

    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Process the token <a href="parsing.html#using-the-rules-for">using the
    rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in
    body</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, except that if the
    <a href="parsing.html#current-node">current node</a> is a <code><a href="tabular-data.html#the-table-element">table</a></code>,
    <code><a href="tabular-data.html#the-tbody-element">tbody</a></code>, <code><a href="tabular-data.html#the-tfoot-element">tfoot</a></code>, <code><a href="tabular-data.html#the-thead-element">thead</a></code>, or
    <code><a href="tabular-data.html#the-tr-element">tr</a></code> element, then, whenever a node would be inserted
    into the <a href="parsing.html#current-node">current node</a>, it must instead be <a href="#foster-parent" title="foster parent">foster parented</a>.</p>

   </dd>

  </dl><p>When the steps above require the UA to <dfn id="clear-the-stack-back-to-a-table-context">clear the stack
  back to a table context</dfn>, it means that the UA must, while
  the <a href="parsing.html#current-node">current node</a> is not a <code><a href="tabular-data.html#the-table-element">table</a></code>
  element or an <code><a href="semantics.html#the-html-element">html</a></code> element, pop elements from the
  <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>

  <p class="note">The <a href="parsing.html#current-node">current node</a> being an
  <code><a href="semantics.html#the-html-element">html</a></code> element after this process is a <a href="the-end.html#fragment-case">fragment
  case</a>.</p>



  <h6 id="parsing-main-intabletext"><span class="secno">8.2.5.4.10 </span>The "<dfn title="insertion mode: in table text">in table text</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-intabletext" title="insertion mode: in table text">in table text</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is U+0000 NULL</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>

   </dd>


   <dt>Any other character token</dt>
   <dd>

    <p>Append the character token to the <var><a href="#pending-table-character-tokens">pending table character
    tokens</a></var> list.</p>

   </dd>


   <dt>Anything else</dt>
   <dd>

    <p>If any of the tokens in the <var><a href="#pending-table-character-tokens">pending table character
    tokens</a></var> list are character tokens that are not one of U+0009
    CHARACTER TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED
    (FF), U+000D CARRIAGE RETURN (CR), or U+0020 SPACE, then reprocess
    those character tokens using the rules given in the "anything
    else" entry in the <a href="#parsing-main-intable" title="insertion mode: in table">in
    table</a>" insertion mode.</p>

    <p>Otherwise, <a href="#insert-a-character" title="insert a character">insert the
    characters</a> given by the <var><a href="#pending-table-character-tokens">pending table character
    tokens</a></var> list into the <a href="parsing.html#current-node">current node</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to the <a href="parsing.html#original-insertion-mode">original
    insertion mode</a> and reprocess the token.</p>

   </dd>

  </dl><h6 id="parsing-main-incaption"><span class="secno">8.2.5.4.11 </span>The "<dfn title="insertion mode: in caption">in caption</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-incaption" title="insertion mode: in caption">in caption</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>An end tag whose tag name is "caption"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as the token, this is a
    <a href="parsing.html#parse-error">parse error</a>. Ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise:</p>

    <p><a href="#generate-implied-end-tags">Generate implied end tags</a>.</p>

    <p>Now, if the <a href="parsing.html#current-node">current node</a> is not a
    <code><a href="tabular-data.html#the-caption-element">caption</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>.</p>

    <p>Pop elements from this stack until a <code><a href="tabular-data.html#the-caption-element">caption</a></code>
    element has been popped from the stack.</p>

    <p><a href="parsing.html#clear-the-list-of-active-formatting-elements-up-to-the-last-marker">Clear the list of active formatting elements up to
    the last marker</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "caption", "col",
   "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr"</dt>
   <dt>An end tag whose tag name is "table"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if an end tag with the tag
    name "caption" had been seen, then, if that token wasn't
    ignored, reprocess the current token.</p>

    <p class="note">The fake end tag token here can only be
    ignored in the <a href="the-end.html#fragment-case">fragment case</a>.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "col",
   "colgroup", "html", "tbody", "td", "tfoot", "th", "thead",
   "tr"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

  </dl><h6 id="parsing-main-incolgroup"><span class="secno">8.2.5.4.12 </span>The "<dfn title="insertion mode: in column group">in column group</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-incolgroup" title="insertion mode: in column group">in column group</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p><a href="#insert-a-character" title="insert a character">Insert the character</a> into
    the <a href="parsing.html#current-node">current node</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "col"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token. Immediately
    pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

   </dd>

   <dt>An end tag whose tag name is "colgroup"</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is the root
    <code><a href="semantics.html#the-html-element">html</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>; ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise, pop the <a href="parsing.html#current-node">current node</a> (which will be
    a <code><a href="tabular-data.html#the-colgroup-element">colgroup</a></code> element) from the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>. Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to
    "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>".</p>

   </dd>

   <dt>An end tag whose tag name is "col"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>An end-of-file token</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is the root <code><a href="semantics.html#the-html-element">html</a></code>
    element, then <a href="the-end.html#stop-parsing">stop parsing</a>. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise, act as described in the "anything else" entry
    below.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>

    <p>Act as if an end tag with the tag name "colgroup" had been
    seen, and then, if that token wasn't ignored, reprocess the
    current token.</p>

    <p class="note">The fake end tag token here can only be
    ignored in the <a href="the-end.html#fragment-case">fragment case</a>.</p>

   </dd>

  </dl><h6 id="parsing-main-intbody"><span class="secno">8.2.5.4.13 </span>The "<dfn title="insertion mode: in table body">in table body</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-intbody" title="insertion mode: in table body">in table body</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A start tag whose tag name is "tr"</dt>
   <dd>

    <p><a href="#clear-the-stack-back-to-a-table-body-context">Clear the stack back to a table body
    context</a>. (See below.)</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, then switch
    the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intr" title="insertion mode:
    in row">in row</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "th", "td"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if a start tag with
    the tag name "tr" had been seen, then reprocess the current
    token.</p>
   </dd>

   <dt>An end tag whose tag name is one of: "tbody", "tfoot",
   "thead"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as the token, this is a
    <a href="parsing.html#parse-error">parse error</a>. Ignore the token.</p>

    <p>Otherwise:</p>

    <p><a href="#clear-the-stack-back-to-a-table-body-context">Clear the stack back to a table body
    context</a>. (See below.)</p>

    <p>Pop the <a href="parsing.html#current-node">current node</a> from the <a href="parsing.html#stack-of-open-elements">stack of
    open elements</a>. Switch the <a href="parsing.html#insertion-mode">insertion mode</a>
    to "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "caption", "col",
   "colgroup", "tbody", "tfoot", "thead"</dt>
   <dt>An end tag whose tag name is "table"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have a
    <code>tbody</code>, <code>thead</code>, or <code>tfoot</code>
    element in table scope</a>, this is a <a href="parsing.html#parse-error">parse
    error</a>. Ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise:</p>

    <p><a href="#clear-the-stack-back-to-a-table-body-context">Clear the stack back to a table body
    context</a>. (See below.)</p>

    <p>Act as if an end tag with the same tag name as the
    <a href="parsing.html#current-node">current node</a> ("tbody", "tfoot", or "thead") had
    been seen, then reprocess the current token.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "caption",
   "col", "colgroup", "html", "td", "th", "tr"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

  </dl><p>When the steps above require the UA to <dfn id="clear-the-stack-back-to-a-table-body-context">clear the stack
  back to a table body context</dfn>, it means that the UA must,
  while the <a href="parsing.html#current-node">current node</a> is not a <code><a href="tabular-data.html#the-tbody-element">tbody</a></code>,
  <code><a href="tabular-data.html#the-tfoot-element">tfoot</a></code>, <code><a href="tabular-data.html#the-thead-element">thead</a></code>, or <code><a href="semantics.html#the-html-element">html</a></code>
  element, pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open
  elements</a>.</p>

  <p class="note">The <a href="parsing.html#current-node">current node</a> being an
  <code><a href="semantics.html#the-html-element">html</a></code> element after this process is a <a href="the-end.html#fragment-case">fragment
  case</a>.</p>


  <h6 id="parsing-main-intr"><span class="secno">8.2.5.4.14 </span>The "<dfn title="insertion mode: in row">in row</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-intr" title="insertion mode: in row">in row</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A start tag whose tag name is one of: "th", "td"</dt>
   <dd>

    <p><a href="#clear-the-stack-back-to-a-table-row-context">Clear the stack back to a table row
    context</a>. (See below.)</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token, then switch
    the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intd" title="insertion mode:
    in cell">in cell</a>".</p>

    <p>Insert a marker at the end of the <a href="parsing.html#list-of-active-formatting-elements">list of active
    formatting elements</a>.</p>

   </dd>

   <dt>An end tag whose tag name is "tr"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as the token, this is a
    <a href="parsing.html#parse-error">parse error</a>. Ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise:</p>

    <p><a href="#clear-the-stack-back-to-a-table-row-context">Clear the stack back to a table row
    context</a>. (See below.)</p>

    <p>Pop the <a href="parsing.html#current-node">current node</a> (which will be a
    <code><a href="tabular-data.html#the-tr-element">tr</a></code> element) from the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>. Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to
    "<a href="#parsing-main-intbody" title="insertion mode: in table body">in table
    body</a>".</p>

   </dd>

   <dt>A start tag whose tag name is one of: "caption", "col",
   "colgroup", "tbody", "tfoot", "thead", "tr"</dt>
   <dt>An end tag whose tag name is "table"</dt>
   <dd>

    <p>Act as if an end tag with the tag name "tr" had been seen,
    then, if that token wasn't ignored, reprocess the current
    token.</p>

    <p class="note">The fake end tag token here can only be
    ignored in the <a href="the-end.html#fragment-case">fragment case</a>.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "tbody", "tfoot",
   "thead"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as the token, this is a
    <a href="parsing.html#parse-error">parse error</a>. Ignore the token.</p>

    <p>Otherwise, act as if an end tag with the tag name "tr" had
    been seen, then reprocess the current token.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "caption",
   "col", "colgroup", "html", "td", "th"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-intable" title="insertion mode: in table">in table</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

  </dl><p>When the steps above require the UA to <dfn id="clear-the-stack-back-to-a-table-row-context">clear the stack
  back to a table row context</dfn>, it means that the UA must,
  while the <a href="parsing.html#current-node">current node</a> is not a <code><a href="tabular-data.html#the-tr-element">tr</a></code>
  element or an <code><a href="semantics.html#the-html-element">html</a></code> element, pop elements from the
  <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>

  <p class="note">The <a href="parsing.html#current-node">current node</a> being an
  <code><a href="semantics.html#the-html-element">html</a></code> element after this process is a <a href="the-end.html#fragment-case">fragment
  case</a>.</p>


  <h6 id="parsing-main-intd"><span class="secno">8.2.5.4.15 </span>The "<dfn title="insertion mode: in cell">in cell</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-intd" title="insertion mode: in cell">in cell</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>An end tag whose tag name is one of: "td", "th"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as that of the token, then
    this is a <a href="parsing.html#parse-error">parse error</a> and the token must be
    ignored.</p>

    <p>Otherwise:</p>

    <p><a href="#generate-implied-end-tags">Generate implied end tags</a>.</p>

    <p>Now, if the <a href="parsing.html#current-node">current node</a> is not an element
    with the same tag name as the token, then this is a
    <a href="parsing.html#parse-error">parse error</a>.</p>

    <p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> stack
    until an element with the same tag name as the token has been
    popped from the stack.</p>

    <p><a href="parsing.html#clear-the-list-of-active-formatting-elements-up-to-the-last-marker">Clear the list of active formatting elements up to
    the last marker</a>.</p>

    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-intr" title="insertion mode: in row">in row</a>".</p> 
   </dd>

   <dt>A start tag whose tag name is one of: "caption", "col",
   "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does
    <em>not</em> <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have
    a <code>td</code> or <code>th</code> element in table
    scope</a>, then this is a <a href="parsing.html#parse-error">parse error</a>; ignore
    the token. (<a href="the-end.html#fragment-case">fragment case</a>)</p>

    <p>Otherwise, <a href="#close-the-cell">close the cell</a> (see below) and
    reprocess the current token.</p>

   </dd>

   <dt>An end tag whose tag name is one of: "body", "caption",
   "col", "colgroup", "html"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>An end tag whose tag name is one of: "table", "tbody",
   "tfoot", "thead", "tr"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have an element in table
    scope</a> with the same tag name as that of the token (which
    can only happen for "tbody", "tfoot" and "thead", or in the
    <a href="the-end.html#fragment-case">fragment case</a>), then this is a <a href="parsing.html#parse-error">parse
    error</a> and the token must be ignored.</p>

    <p>Otherwise, <a href="#close-the-cell">close the cell</a> (see below) and
    reprocess the current token.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

  </dl><p>Where the steps above say to <dfn id="close-the-cell">close the cell</dfn>, they
  mean to run the following algorithm:</p>

  <ol><li><p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">has a <code>td</code>
   element in table scope</a>, then act as if an end tag token
   with the tag name "td" had been seen.</p></li>

   <li><p>Otherwise, the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> will
   <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">have a
   <code>th</code> element in table scope</a>; act as if an end
   tag token with the tag name "th" had been seen.</p></li>

  </ol><p class="note">The <a href="parsing.html#stack-of-open-elements">stack of open elements</a> cannot have
  both a <code><a href="tabular-data.html#the-td-element">td</a></code> and a <code><a href="tabular-data.html#the-th-element">th</a></code> element <a href="parsing.html#has-an-element-in-table-scope" title="has an element in table scope">in table scope</a> at the
  same time, nor can it have neither when the <a href="#close-the-cell">close the
  cell</a> algorithm is invoked.</p>


  <h6 id="parsing-main-inselect"><span class="secno">8.2.5.4.16 </span>The "<dfn title="insertion mode: in select">in select</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-inselect" title="insertion mode: in select">in select</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is U+0000 NULL</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>Any other character token</dt>
   <dd>
    <p><a href="#insert-a-character" title="insert a character">Insert the token's
    character</a> into the <a href="parsing.html#current-node">current node</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "option"</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is an <code><a href="the-button-element.html#the-option-element">option</a></code>
    element, act as if an end tag with the tag name "option" had
    been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

   </dd>

   <dt>A start tag whose tag name is "optgroup"</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is an <code><a href="the-button-element.html#the-option-element">option</a></code>
    element, act as if an end tag with the tag name "option" had
    been seen.</p>

    <p>If the <a href="parsing.html#current-node">current node</a> is an
    <code><a href="the-button-element.html#the-optgroup-element">optgroup</a></code> element, act as if an end tag with the
    tag name "optgroup" had been seen.</p>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>

   </dd>

   <dt>An end tag whose tag name is "optgroup"</dt>
   <dd>

    <p>First, if the <a href="parsing.html#current-node">current node</a> is an
    <code><a href="the-button-element.html#the-option-element">option</a></code> element, and the node immediately before
    it in the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> is an
    <code><a href="the-button-element.html#the-optgroup-element">optgroup</a></code> element, then act as if an end tag with
    the tag name "option" had been seen.</p>

    <p>If the <a href="parsing.html#current-node">current node</a> is an
    <code><a href="the-button-element.html#the-optgroup-element">optgroup</a></code> element, then pop that node from the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a>. Otherwise, this is a
    <a href="parsing.html#parse-error">parse error</a>; ignore the token.</p>

   </dd>

   <dt>An end tag whose tag name is "option"</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is an <code><a href="the-button-element.html#the-option-element">option</a></code>
    element, then pop that node from the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>. Otherwise, this is a <a href="parsing.html#parse-error">parse
    error</a>; ignore the token.</p>

   </dd>

   <dt>An end tag whose tag name is "select"</dt>
   <dd>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-select-scope" title="has an element in select scope">have an element in select
    scope</a> with the same tag name as the token, this is a
    <a href="parsing.html#parse-error">parse error</a>. Ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise:</p>

    <p>Pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>
    until a <code><a href="the-button-element.html#the-select-element">select</a></code> element has been popped from the
    stack.</p>

    <p><a href="parsing.html#reset-the-insertion-mode-appropriately">Reset the insertion mode appropriately</a>.</p>

   </dd>

   <dt>A start tag whose tag name is "select"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if the token had been
    an end tag with the tag name "select" instead.</p>

   </dd>

   <dt>A start tag whose tag name is one of: "input", "keygen", "textarea"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> does not <a href="parsing.html#has-an-element-in-select-scope" title="has an element in select scope">have a <code>select</code>
    element in select scope</a>, ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise, act as if an end tag with the tag name "select" had
    been seen, and reprocess the token.</p>

   </dd>

   <dt>A start tag token whose tag name is "script"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end-of-file token</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is not the root
    <code><a href="semantics.html#the-html-element">html</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>.</p>

    <p class="note">It can only be the <a href="parsing.html#current-node">current node</a> in
    the <a href="the-end.html#fragment-case">fragment case</a>.</p>

    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

  </dl><h6 id="parsing-main-inselectintable"><span class="secno">8.2.5.4.17 </span>The "<dfn title="insertion mode: in select in table">in select in table</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-inselectintable" title="insertion mode: in select in table">in select in table</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A start tag whose tag name is one of: "caption", "table",
   "tbody", "tfoot", "thead", "tr", "td", "th"</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Act as if an end tag with the tag
    name "select" had been seen, and reprocess the token.</p>
   </dd>

   <dt>An end tag whose tag name is one of: "caption", "table",
   "tbody", "tfoot", "thead", "tr", "td", "th"</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>If the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> <a href="parsing.html#has-an-element-in-table-scope">has an
    element in table scope</a> with the same tag name as that
    of the token, then act as if an end tag with the tag name
    "select" had been seen, and reprocess the token. Otherwise,
    ignore the token.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inselect" title="insertion mode: in select">in select</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

  </dl><h6 id="parsing-main-afterbody"><span class="secno">8.2.5.4.18 </span>The "<dfn title="insertion mode: after body">after body</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-afterbody" title="insertion mode: after body">after body</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the first element in
    the <a href="parsing.html#stack-of-open-elements">stack of open elements</a> (the <code><a href="semantics.html#the-html-element">html</a></code>
    element), with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end tag whose tag name is "html"</dt>
   <dd>

    <p>If the parser was originally created as part of the <a href="the-end.html#html-fragment-parsing-algorithm">HTML
    fragment parsing algorithm</a>, this is a <a href="parsing.html#parse-error">parse
    error</a>; ignore the token. (<a href="the-end.html#fragment-case">fragment case</a>)</p>

    <p>Otherwise, switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-after-after-body-insertion-mode" title="insertion mode: after after body">after after
    body</a>".</p>

   </dd>

   <dt>An end-of-file token</dt>
   <dd>
    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. Switch the <a href="parsing.html#insertion-mode">insertion
    mode</a> to "<a href="#parsing-main-inbody" title="insertion mode: in body">in
    body</a>" and reprocess the token.</p>

   </dd>

  </dl><h6 id="parsing-main-inframeset"><span class="secno">8.2.5.4.19 </span>The "<dfn title="insertion mode: in frameset">in frameset</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-inframeset" title="insertion mode: in frameset">in frameset</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p><a href="#insert-a-character" title="insert a character">Insert the character</a> into
    the <a href="parsing.html#current-node">current node</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "frameset"</dt>
   <dd>
    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.</p>
   </dd>

   <dt>An end tag whose tag name is "frameset"</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is the root
    <code><a href="semantics.html#the-html-element">html</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>; ignore the token. (<a href="the-end.html#fragment-case">fragment
    case</a>)</p>

    <p>Otherwise, pop the <a href="parsing.html#current-node">current node</a> from the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>

    <p>If the parser was <em>not</em> originally created as part
    of the <a href="the-end.html#html-fragment-parsing-algorithm">HTML fragment parsing algorithm</a>
    (<a href="the-end.html#fragment-case">fragment case</a>), and the <a href="parsing.html#current-node">current
    node</a> is no longer a <code><a href="obsolete.html#frameset">frameset</a></code> element, then
    switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#parsing-main-afterframeset" title="insertion mode: after frameset">after
    frameset</a>".</p>

   </dd>

   <dt>A start tag whose tag name is "frame"</dt>
   <dd>

    <p><a href="#insert-an-html-element">Insert an HTML element</a> for the token.
    Immediately pop the <a href="parsing.html#current-node">current node</a> off the
    <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p>

    <p><a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing flag">Acknowledge the
    token's <i>self-closing flag</i></a>, if it is set.</p>

   </dd>

   <dt>A start tag whose tag name is "noframes"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end-of-file token</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is not the root
    <code><a href="semantics.html#the-html-element">html</a></code> element, then this is a <a href="parsing.html#parse-error">parse
    error</a>.</p>

    <p class="note">It can only be the <a href="parsing.html#current-node">current node</a> in
    the <a href="the-end.html#fragment-case">fragment case</a>.</p>

    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>

   </dd>

   <dt>Anything else</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

  </dl><h6 id="parsing-main-afterframeset"><span class="secno">8.2.5.4.20 </span>The "<dfn title="insertion mode: after frameset">after frameset</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#parsing-main-afterframeset" title="insertion mode: after frameset">after frameset</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  
  <dl class="switch"><dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dd>
    <p><a href="#insert-a-character" title="insert a character">Insert the character</a> into
    the <a href="parsing.html#current-node">current node</a>.</p>
   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end tag whose tag name is "html"</dt>
   <dd>
    <p>Switch the <a href="parsing.html#insertion-mode">insertion mode</a> to "<a href="#the-after-after-frameset-insertion-mode" title="insertion mode: after after frameset">after after
    frameset</a>".</p>
   </dd>

   <dt>A start tag whose tag name is "noframes"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end-of-file token</dt>
   <dd>
    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

  </dl><h6 id="the-after-after-body-insertion-mode"><span class="secno">8.2.5.4.21 </span>The "<dfn title="insertion mode: after after body">after after body</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#the-after-after-body-insertion-mode" title="insertion mode: after after body">after after body</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <code><a href="infrastructure.html#document">Document</a></code>
    object with the <code title="">data</code> attribute set to the
    data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end-of-file token</dt>
   <dd>
    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Switch the <a href="parsing.html#insertion-mode">insertion mode</a>
    to "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" and
    reprocess the token.</p>
   </dd>

  </dl><h6 id="the-after-after-frameset-insertion-mode"><span class="secno">8.2.5.4.22 </span>The "<dfn title="insertion mode: after after frameset">after after frameset</dfn>" insertion mode</h6>

  <p>When the user agent is to apply the rules for the "<a href="#the-after-after-frameset-insertion-mode" title="insertion mode: after after frameset">after after frameset</a>" <a href="parsing.html#insertion-mode">insertion mode</a>, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <code><a href="infrastructure.html#document">Document</a></code>
    object with the <code title="">data</code> attribute set to the
    data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dt>A character token that is one of U+0009 CHARACTER
   TABULATION, U+000A LINE FEED (LF), U+000C FORM FEED (FF),
   U+000D CARRIAGE RETURN (CR), or U+0020 SPACE</dt>
   <dt>A start tag whose tag name is "html"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inbody" title="insertion mode: in body">in body</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>An end-of-file token</dt>
   <dd>
    <p><a href="the-end.html#stop-parsing">Stop parsing</a>.</p>
   </dd>

   <dt>A start tag whose tag name is "noframes"</dt>
   <dd>
    <p>Process the token <a href="parsing.html#using-the-rules-for">using the rules for</a> the "<a href="#parsing-main-inhead" title="insertion mode: in head">in head</a>" <a href="parsing.html#insertion-mode">insertion
    mode</a>.</p>
   </dd>

   <dt>Anything else</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

  </dl><h5 id="parsing-main-inforeign"><span class="secno">8.2.5.5 </span>The rules for parsing tokens <dfn title="insertion mode: in foreign content">in foreign content</dfn></h5>

  <p>When the user agent is to apply the rules for parsing tokens in foreign content, the user agent must handle the token as follows:</p>

  <dl class="switch"><dt>A character token that is U+0000 NULL</dt>
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>. <a href="#insert-a-character" title="insert a
    character">Insert a U+FFFD REPLACEMENT CHARACTER character</a>
    into the <a href="parsing.html#current-node">current node</a>.</p>

   </dd>

   <dt>A character token that is one of U+0009 CHARACTER TABULATION,
   U+000A LINE FEED (LF), U+000C FORM FEED (FF), U+000D CARRIAGE
   RETURN (CR), or U+0020 SPACE</dt>
   <dd>

    <p><a href="#insert-a-character" title="insert a character">Insert the token's
    character</a> into the <a href="parsing.html#current-node">current node</a>.</p>

   </dd>

   <dt>Any other character token</dt>
   <dd>

    <p><a href="#insert-a-character" title="insert a character">Insert the token's
    character</a> into the <a href="parsing.html#current-node">current node</a>.</p>

    <p>Set the <a href="parsing.html#frameset-ok-flag">frameset-ok flag</a> to "not ok".</p>

   </dd>

   <dt>A comment token</dt>
   <dd>
    <p>Append a <code><a href="infrastructure.html#comment-0">Comment</a></code> node to the <a href="parsing.html#current-node">current
    node</a> with the <code title="">data</code> attribute set to
    the data given in the comment token.</p>
   </dd>

   <dt>A DOCTYPE token</dt>
   <dd>
    <p><a href="parsing.html#parse-error">Parse error</a>. Ignore the token.</p>
   </dd>

   <dt>A start tag whose tag name is one of:  "b", "big",
   "blockquote", "body", "br", "center", "code",
   "dd", "div", "dl", "dt", "em", "embed", "h1", "h2",
   "h3", "h4", "h5", "h6", "head", "hr", "i", "img",
   "li", "listing", "menu", "meta", "nobr",
   "ol", "p", "pre", "ruby", "s",  "small",
   "span", "strong", "strike",  "sub", "sup",
   "table", "tt", "u", "ul", "var"</dt>    <dt>A start tag whose tag name is "font", if the token has any
   attributes named "color", "face", or "size"</dt> 
   <dd>

    <p><a href="parsing.html#parse-error">Parse error</a>.</p>

    <p>Pop an element from the <a href="parsing.html#stack-of-open-elements">stack of open elements</a>,
    and then keep popping more elements from the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> until the <a href="parsing.html#current-node">current node</a> is a
    <a href="#mathml-text-integration-point">MathML text integration point</a>, an <a href="#html-integration-point">HTML
    integration point</a>, or an element in the <a href="namespaces.html#html-namespace-0">HTML
    namespace</a>.</p>

    <p>Then, reprocess the token.</p>

   </dd>

   <dt>Any other start tag</dt>
   <dd>

    <p>If the <a href="parsing.html#current-node">current node</a> is an element in the
    <a href="namespaces.html#mathml-namespace">MathML namespace</a>, <a href="#adjust-mathml-attributes">adjust MathML
    attributes</a> for the token. (This fixes the case of MathML
    attributes that are not all lowercase.)</p>

    <p>If the <a href="parsing.html#current-node">current node</a> is an element in the <a href="namespaces.html#svg-namespace">SVG
    namespace</a>, and the token's tag name is one of the ones in
    the first column of the following table, change the tag name to
    the name given in the corresponding cell in the second
    column. (This fixes the case of SVG elements that are not all
    lowercase.)</p>

    <table><thead><tr><th> Tag name </th><th> Element name
     </th></tr></thead><tbody><tr><td> <code title="">altglyph</code> </td><td> <code title="">altGlyph</code>
      </td></tr><tr><td> <code title="">altglyphdef</code> </td><td> <code title="">altGlyphDef</code>
      </td></tr><tr><td> <code title="">altglyphitem</code> </td><td> <code title="">altGlyphItem</code>
      </td></tr><tr><td> <code title="">animatecolor</code> </td><td> <code title="">animateColor</code>
      </td></tr><tr><td> <code title="">animatemotion</code> </td><td> <code title="">animateMotion</code>
      </td></tr><tr><td> <code title="">animatetransform</code> </td><td> <code title="">animateTransform</code>
      </td></tr><tr><td> <code title="">clippath</code> </td><td> <code title="">clipPath</code>
      </td></tr><tr><td> <code title="">feblend</code> </td><td> <code title="">feBlend</code>
      </td></tr><tr><td> <code title="">fecolormatrix</code> </td><td> <code title="">feColorMatrix</code>
      </td></tr><tr><td> <code title="">fecomponenttransfer</code> </td><td> <code title="">feComponentTransfer</code>
      </td></tr><tr><td> <code title="">fecomposite</code> </td><td> <code title="">feComposite</code>
      </td></tr><tr><td> <code title="">feconvolvematrix</code> </td><td> <code title="">feConvolveMatrix</code>
      </td></tr><tr><td> <code title="">fediffuselighting</code> </td><td> <code title="">feDiffuseLighting</code>
      </td></tr><tr><td> <code title="">fedisplacementmap</code> </td><td> <code title="">feDisplacementMap</code>
      </td></tr><tr><td> <code title="">fedistantlight</code> </td><td> <code title="">feDistantLight</code>
      </td></tr><tr><td> <code title="">feflood</code> </td><td> <code title="">feFlood</code>
      </td></tr><tr><td> <code title="">fefunca</code> </td><td> <code title="">feFuncA</code>
      </td></tr><tr><td> <code title="">fefuncb</code> </td><td> <code title="">feFuncB</code>
      </td></tr><tr><td> <code title="">fefuncg</code> </td><td> <code title="">feFuncG</code>
      </td></tr><tr><td> <code title="">fefuncr</code> </td><td> <code title="">feFuncR</code>
      </td></tr><tr><td> <code title="">fegaussianblur</code> </td><td> <code title="">feGaussianBlur</code>
      </td></tr><tr><td> <code title="">feimage</code> </td><td> <code title="">feImage</code>
      </td></tr><tr><td> <code title="">femerge</code> </td><td> <code title="">feMerge</code>
      </td></tr><tr><td> <code title="">femergenode</code> </td><td> <code title="">feMergeNode</code>
      </td></tr><tr><td> <code title="">femorphology</code> </td><td> <code title="">feMorphology</code>
      </td></tr><tr><td> <code title="">feoffset</code> </td><td> <code title="">feOffset</code>
      </td></tr><tr><td> <code title="">fepointlight</code> </td><td> <code title="">fePointLight</code>
      </td></tr><tr><td> <code title="">fespecularlighting</code> </td><td> <code title="">feSpecularLighting</code>
      </td></tr><tr><td> <code title="">fespotlight</code> </td><td> <code title="">feSpotLight</code>
      </td></tr><tr><td> <code title="">fetile</code> </td><td> <code title="">feTile</code>
      </td></tr><tr><td> <code title="">feturbulence</code> </td><td> <code title="">feTurbulence</code>
      </td></tr><tr><td> <code title="">foreignobject</code> </td><td> <code title="">foreignObject</code>
      </td></tr><tr><td> <code title="">glyphref</code> </td><td> <code title="">glyphRef</code>
      </td></tr><tr><td> <code title="">lineargradient</code> </td><td> <code title="">linearGradient</code>
      </td></tr><tr><td> <code title="">radialgradient</code> </td><td> <code title="">radialGradient</code>
      
      </td></tr><tr><td> <code title="">textpath</code> </td><td> <code title="">textPath</code>
    </td></tr></tbody></table><p>If the <a href="parsing.html#current-node">current node</a> is an element in the <a href="namespaces.html#svg-namespace">SVG
    namespace</a>, <a href="#adjust-svg-attributes">adjust SVG attributes</a> for the
    token. (This fixes the case of SVG attributes that are not all
    lowercase.)</p>

    <p><a href="#adjust-foreign-attributes">Adjust foreign attributes</a> for the token. (This
    fixes the use of namespaced attributes, in particular XLink in
    SVG.)</p>

    <p><a href="#insert-a-foreign-element">Insert a foreign element</a> for the token, in the
    same namespace as the <a href="parsing.html#current-node">current node</a>.</p>

    <p>If the token has its <i>self-closing flag</i> set, pop the
    <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a> and <a href="tokenization.html#acknowledge-self-closing-flag" title="acknowledge self-closing
    flag">acknowledge the token's <i>self-closing flag</i></a>.</p>

   </dd>

   <dt id="scriptForeignEndTag">An end tag whose tag name is "script", if the <a href="parsing.html#current-node">current node</a> is a <code title="">script</code> element in the <a href="namespaces.html#svg-namespace">SVG namespace</a></dt>
   <dd>

    <p>Pop the <a href="parsing.html#current-node">current node</a> off the <a href="parsing.html#stack-of-open-elements">stack of open
    elements</a>.</p>

    <p>Let the <var title="">old insertion point</var> have the
    same value as the current <a href="parsing.html#insertion-point">insertion point</a>. Let
    the <a href="parsing.html#insertion-point">insertion point</a> be just before the <a href="parsing.html#next-input-character">next
    input character</a>.</p>

    <p>Increment the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> by
    one. Set the <a href="parsing.html#parser-pause-flag">parser pause flag</a> to true.</p>

    <p><a href="http://www.w3.org/TR/SVGMobile12/script.html#ScriptContentProcessing">Process
    the <code title="">script</code> element</a> according to the SVG
    rules, if the user agent supports SVG. <a href="references.html#refsSVG">[SVG]</a></p>

    <p class="note">Even if this causes <a href="apis-in-html-documents.html#dom-document-write" title="dom-document-write">new characters to be inserted into the
    tokenizer</a>, the parser will not be executed reentrantly,
    since the <a href="parsing.html#parser-pause-flag">parser pause flag</a> is true.</p>

    <p>Decrement the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> by
    one. If the parser's <a href="parsing.html#script-nesting-level">script nesting level</a> is zero,
    then set the <a href="parsing.html#parser-pause-flag">parser pause flag</a> to false.</p>

    <p>Let the <a href="parsing.html#insertion-point">insertion point</a> have the value of the <var title="">old insertion point</var>. (In other words, restore the
    <a href="parsing.html#insertion-point">insertion point</a> to its previous value. This value
    might be the "undefined" value.)</p>

   </dd>

   <dt>Any other end tag</dt>

   <dd>

    <p>Run these steps:</p>

    <ol><li><p>Initialize <var title="">node</var> to be the <a href="parsing.html#current-node">current
     node</a> (the bottommost node of the stack).</p></li>

     <li><p>If <var title="">node</var> is not an element with the
     same tag name as the token, then this is a <a href="parsing.html#parse-error">parse
     error</a>.</p></li>

     <li><p><i>Loop</i>: If <var title="">node</var>'s tag name,
     <a href="infrastructure.html#converted-to-ascii-lowercase">converted to ASCII lowercase</a>, is the same as the tag
     name of the token, pop elements from the <a href="parsing.html#stack-of-open-elements">stack of open
     elements</a> until <var title="">node</var> has been popped
     from the stack, and then jump to the last step of this list of
     steps.</p></li>

     <li><p>Set <var title="">node</var> to the previous entry in the
     <a href="parsing.html#stack-of-open-elements">stack of open elements</a>.</p></li>

     <li><p>If <var title="">node</var> is not an element in the
     <a href="namespaces.html#html-namespace-0">HTML namespace</a>, return to the step labeled
     <i>loop</i>.</p></li>

     <li><p>Otherwise, process the token according to the rules given
     in the section corresponding to the current <a href="parsing.html#insertion-mode">insertion
     mode</a> in HTML content.</p></li>

    </ol></dd>

  </dl></div></body></html>