Implemented https://www.w3.org/2013/meeting/rdf-wg/2013-05-22#resolution_3 regarding rdf:langString case sensitivity.
--- a/rdf-concepts/index.html Thu May 30 12:10:12 2013 -0500
+++ b/rdf-concepts/index.html Wed Jun 05 12:00:16 2013 -0400
@@ -630,7 +630,8 @@
<li>a non-empty <dfn>language tag</dfn> as defined by [[!BCP47]].
The language tag MUST be well-formed according to
<a href="http://tools.ietf.org/html/bcp47#section-2.2.9">section 2.2.9</a>
- of [[!BCP47]], and MUST be normalized to lowercase.</li>
+ of [[!BCP47]]. Lexical representations of language tags MAY be converted to
+ lower case. The value space of language tags is always in lower case.</li>
<li>A badly formed language tag MUST be treated as a syntax error.</li>
</ul>
@@ -1371,6 +1372,7 @@
<em>RDF 1.1 Concepts and Abstract Syntax</em>.</p>
<ul>
+ <li>2013-06-05: Minor change to note to specify the value space and lexical space of language tags (<a href="http://www.w3.org/2011/rdf-wg/track/actions/265">ACTION-265</a>, <a href="https://www.w3.org/2013/meeting/rdf-wg/2013-05-22#resolution_3">resolution</a>)</li>
<li>2013-05-08: Minor change to note that a badly formed language tag is a syntax error (<a href="http://www.w3.org/2011/rdf-wg/track/actions/262">ACTION-262</a>)</li>
<li>2013-05-08: Migrated language related to datatype maps to recognized datatype IRIs (<a href="http://www.w3.org/2011/rdf-wg/track/issues/118">ISSUE-118</a>)</li>
<li>2013-05-08: Editorial changes in response to <a href="http://lists.w3.org/Archives/Public/public-rdf-wg/2013May/0058.html">a discussion of literal equality</a></li>