[css2] Applied errata: 'overflow' on a table applies to the table box and

only 'visible' and 'hidden' apply to tables. See
http://lists.w3.org/Archives/Public/www-style/2012Aug/0298.html

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extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%403284

Author: bert-github

css2/visufx.src

@@ -109,6 +109,11 @@ to 'visible', content may be clipped to a UA's document window by the
 native operating environment.
 </p>
 
+<p>On a table element ('display: table'), 'overflow' applies to the <a
+href="tables.html#table-box">table box</a> (i.e., not the <a
+href="tables.html#table-wrapper-box">table wrapper box</a>) and all
+values other than 'hidden' are treated as 'visible'.
+
 <p>
 UAs must apply the 'overflow' property set on the root element to
 the viewport.