Update Label Blank Nodes Algorithm to only generate an @id for elements which are node objects.
--- a/spec/latest/json-ld-api/index.html Mon Dec 17 19:09:45 2012 +0100
+++ b/spec/latest/json-ld-api/index.html Mon Dec 17 16:07:03 2012 -0800
@@ -1328,7 +1328,7 @@
<ol class="algorithm">
<li>For each <em>key</em>-<em>value</em> pair ordered by <em>key</em>
recursively apply this algorithm to <em>value</em>.</li>
- <li>If <em>element</em> does not have an <code>@id</code> member,
+ <li>If <em>element</em> is a <tref>node object</tref> without an <code>@id</code> member,
create a new <code>@id</code> member and assign it a new
<tref>blank node identifier</tref> according the
<a href="#generate-blank-node-identifier">Generate Blank Node Identifier</a> algorithm.</li>