[] (0) Define the margins of h1 elements in section elements to match…

… h2-h6, like with the font-size. (credit: sp)

git-svn-id: http://svn.whatwg.org/webapps@3032 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

table { border-spacing: 2px; border-collapse: separate; }
td, th { padding: 1px; }</pre>

  <p>For each property in the table below, given a <code><a href=#the-body-element>body</a></code>
  <p>The <code><a href=#the-article-element>article</a></code>, <code><a href=#the-aside-element>aside</a></code>, <code><a href=#the-nav-element>nav</a></code>,
  and <code><a href=#the-section-element>section</a></code> elements are expected to affect the margins
  of <code><a href=#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements>h1</a></code> elements, based on the nesting depth. If <var title="">x</var> is a selector that matches elements that are either
  <code><a href=#the-article-element>article</a></code>, <code><a href=#the-aside-element>aside</a></code>, <code><a href=#the-nav-element>nav</a></code>, or
  <code><a href=#the-section-element>section</a></code> elements, then the following rules capture what
  is expected:</p>

  <pre class=css>@namespace url(http://www.w3.org/1999/xhtml);

<var title="">x</var> h1 { margin-top: 0.83em; margin-bottom: 0.83em; }
<var title="">x</var> <var title="">x</var> h1 { margin-top: 1.00em; margin-bottom: 1.00em; }
<var title="">x</var> <var title="">x</var> <var title="">x</var> h1 { margin-top: 1.33em; margin-bottom: 1.33em; }
<var title="">x</var> <var title="">x</var> <var title="">x</var> <var title="">x</var> h1 { margin-top: 1.67em; margin-bottom: 1.67em; }
<var title="">x</var> <var title="">x</var> <var title="">x</var> <var title="">x</var> <var title="">x</var> h1 { margin-top: 2.33em; margin-bottom: 2.33em; }</pre>

  <hr><p>For each property in the table below, given a <code><a href=#the-body-element>body</a></code>
  element, the first attribute that exists <a href=#maps-to-the-pixel-length-property>maps to the pixel
  length property</a> on the <code><a href=#the-body-element>body</a></code> element. If none of
  the attributes for a property are found, or if the value of the
  be white.</p>

  <hr><p>The <code><a href=#the-article-element>article</a></code>, <code><a href=#the-aside-element>aside</a></code>, <code><a href=#the-nav-element>nav</a></code>,
  and <code><a href=#the-section-element>section</a></code> elements are expected to affect the styling
  of <code><a href=#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements>h1</a></code> elements, based on the nesting depth. If <var title="">x</var> is a selector that matches elements that are either
  <code><a href=#the-article-element>article</a></code>, <code><a href=#the-aside-element>aside</a></code>, <code><a href=#the-nav-element>nav</a></code>, or
  <code><a href=#the-section-element>section</a></code> elements, then the following rules capture what
  is expected:</p>
  and <code><a href=#the-section-element>section</a></code> elements are expected to affect the font
  size of <code><a href=#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements>h1</a></code> elements, based on the nesting depth. If
  <var title="">x</var> is a selector that matches elements that are
  either <code><a href=#the-article-element>article</a></code>, <code><a href=#the-aside-element>aside</a></code>, <code><a href=#the-nav-element>nav</a></code>,
  or <code><a href=#the-section-element>section</a></code> elements, then the following rules capture
  what is expected:</p>

  <!-- XXX this is better than http://damowmow.com/temp/sectioning.css
           but it's still not optimal... -->
  <pre class=css>@namespace url(http://www.w3.org/1999/xhtml);

<var title="">x</var> h1 { font-size: 1.50em; }

source

table { border-spacing: 2px; border-collapse: separate; }
td, th { padding: 1px; }</pre>

  <p>The <code>article</code>, <code>aside</code>, <code>nav</code>,
  and <code>section</code> elements are expected to affect the margins
  of <code>h1</code> elements, based on the nesting depth. If <var
  title="">x</var> is a selector that matches elements that are either
  <code>article</code>, <code>aside</code>, <code>nav</code>, or
  <code>section</code> elements, then the following rules capture what
  is expected:</p>

  <pre class="css">@namespace url(http://www.w3.org/1999/xhtml);

<var title="">x</var> h1 { margin-top: 0.83em; margin-bottom: 0.83em; }
<var title="">x</var> <var title="">x</var> h1 { margin-top: 1.00em; margin-bottom: 1.00em; }
<var title="">x</var> <var title="">x</var> <var title="">x</var> h1 { margin-top: 1.33em; margin-bottom: 1.33em; }
<var title="">x</var> <var title="">x</var> <var title="">x</var> <var title="">x</var> h1 { margin-top: 1.67em; margin-bottom: 1.67em; }
<var title="">x</var> <var title="">x</var> <var title="">x</var> <var title="">x</var> <var title="">x</var> h1 { margin-top: 2.33em; margin-bottom: 2.33em; }</pre>

  <hr>

  <p>For each property in the table below, given a <code>body</code>
  element, the first attribute that exists <span>maps to the pixel
  length property</span> on the <code>body</code> element. If none of
  <hr>

  <p>The <code>article</code>, <code>aside</code>, <code>nav</code>,
  and <code>section</code> elements are expected to affect the styling
  of <code>h1</code> elements, based on the nesting depth. If <var
  title="">x</var> is a selector that matches elements that are either
  <code>article</code>, <code>aside</code>, <code>nav</code>, or
  <code>section</code> elements, then the following rules capture what
  is expected:</p>
  and <code>section</code> elements are expected to affect the font
  size of <code>h1</code> elements, based on the nesting depth. If
  <var title="">x</var> is a selector that matches elements that are
  either <code>article</code>, <code>aside</code>, <code>nav</code>,
  or <code>section</code> elements, then the following rules capture
  what is expected:</p>

  <!-- XXX this is better than http://damowmow.com/temp/sectioning.css
           but it's still not optimal... -->
  <pre class="css">@namespace url(http://www.w3.org/1999/xhtml);

<var title="">x</var> h1 { font-size: 1.50em; }