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2781Remove <layer>, make <td>/<th> margins collapse too.2009-02-11 08:03
@@ -61798,22 +61798,22 @@ http://lxr.mozilla.org/seamonkey/search?string=nested
 
   <pre class="css">@namespace url(http://www.w3.org/1999/xhtml);
 
 [hidden], area, audio:not([controls]), base, basefont, command,
 datalist, eventsource, head, input[type=hidden], link,
 menu[type=context], meta, noembed, noframes, param, script, source,
 style, title { display: none; }
 
 address, article, aside, blockquote, body, center, dd, dialog, dir,
 div, dl, dt, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hr,
-html, layer, legend, listing, menu, nav, ol, p, plaintext, pre, rp,
-section, ul, xmp { display: block; }
+html, legend, listing, menu, nav, ol, p, plaintext, pre, rp, section,
+ul, xmp { display: block; }
 
 table { display: table; }
 caption { display: table-caption; }
 colgroup { display: table-column-group; }
 col { display: table-column; }
 thead { display: table-header-group; }
 tbody { display: table-row-group; }
 tfoot { display: table-footer-group; }
 tr { display: table-row; }
 td, th { display: table-cell; }
@@ -62062,22 +62062,23 @@ td, th { padding: 1px; }</pre>
 
   <p>In <span>quirks mode</span>, the following rules are also
   expected to apply:</p>
 
   <pre class="css">@namespace url(http://www.w3.org/1999/xhtml);
 
 form { margin-bottom: 1em; }</pre>
 
   <p>When a <code>Document</code> is in <span>quirks mode</span>,
   margins on <span>HTML elements</span> that collapse with the top or
-  bottom of the initial containing block are expected to be collapsed
-  to zero.</p>
+  bottom of the initial containing block, or the top of bottom of
+  <code>td</code> or <code>th</code> elements, are expected to be
+  collapsed to zero.</p>
 
 
   <h4>Alignment</h4>
 
   <pre class="css">@namespace url(http://www.w3.org/1999/xhtml);
 
 thead, tbody, tfoot, table > tr { vertical-align: middle; }
 tr, td, th { vertical-align: inherit; }
 sub { vertical-align: sub; }
 sup { vertical-align: super; }

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