mike: added RDFa usage note to descriptions of the lang and xml:lang attributes

mike: added RDFa usage note to descriptions of the lang and xml:lang
attributes

http://dev.w3.org/cvsweb/html5/markup/spec.html?r1=1.237&r2=1.238&f=h

===================================================================
RCS file: /sources/public/html5/markup/common-attributes.html,v
retrieving revision 1.48
retrieving revision 1.49
diff -u -d -r1.48 -r1.49
--- common-attributes.html	7 Jul 2010 01:11:48 -0000	1.48
+++ common-attributes.html	8 Jul 2010 20:30:17 -0000	1.49
@@ -128,6 +128,7 @@
         <a href="syntax.html#contents">contents</a>
         of the element and for any of the element&#8217;s attributes
         that contain text.</dd>
+<dd>Can also be used to set the RDFa <code>current language</code>.</dd>
           
             <dt>
 <a class="attribute-name" id="common.attrs.spellcheck" title="common.attrs.spellcheck" href="common-attributes.html#common.attrs.spellcheck">spellcheck</a> = <span class="attr-values">
@@ -550,6 +551,7 @@
     </span> <span class="spec-link"><a title="Read about this attribute in the HTML5 spec" href="http://dev.w3.org/html5/spec-author-view/.html#attr--common.attrs.xmllang">&#9432;</a></span> </dt>
             <dd>As defined in the XML specification
         <a href="references.html#refsXML">[XML]</a>.</dd>
+<dd>Can be used to set the RDFa <code>current language</code>.</dd>
           
             <dt>
 <a class="attribute-name" id="common.attrs.xmlspace" title="common.attrs.xmlspace" href="common-attributes.html#common.attrs.xmlspace">xml:space</a> = <span class="attr-values">"preserve" </span> <span class="spec-link"><a title="Read about this attribute in the HTML5 spec" href="http://dev.w3.org/html5/spec-author-view/.html#attr--common.attrs.xmlspace">&#9432;</a></span> </dt>

Index: spec.html
===================================================================
RCS file: /sources/public/html5/markup/spec.html,v
retrieving revision 1.237
retrieving revision 1.238
diff -u -d -r1.237 -r1.238
--- spec.html	8 Jul 2010 20:22:52 -0000	1.237
+++ spec.html	8 Jul 2010 20:30:17 -0000	1.238
@@ -19440,6 +19440,7 @@
         <a href="#contents">contents</a>
         of the element and for any of the element&#8217;s attributes
         that contain text.</dd>
+<dd>Can also be used to set the RDFa <code>current language</code>.</dd>
           
             <dt>
 <a class="attribute-name" id="common.attrs.spellcheck" title="common.attrs.spellcheck" href="#common.attrs.spellcheck">spellcheck</a> = <span class="attr-values">
@@ -19862,6 +19863,7 @@
     </span> <span class="spec-link"><a title="Read about this attribute in the HTML5 spec" href="http://dev.w3.org/html5/spec-author-view/.html#attr--common.attrs.xmllang">&#9432;</a></span> </dt>
             <dd>As defined in the XML specification
         <a href="#refsXML">[XML]</a>.</dd>
+<dd>Can be used to set the RDFa <code>current language</code>.</dd>
           
             <dt>
 <a class="attribute-name" id="common.attrs.xmlspace" title="common.attrs.xmlspace" href="#common.attrs.xmlspace">xml:space</a> = <span class="attr-values">"preserve" </span> <span class="spec-link"><a title="Read about this attribute in the HTML5 spec" href="http://dev.w3.org/html5/spec-author-view/.html#attr--common.attrs.xmlspace">&#9432;</a></span> </dt>