[cgt] (2) Allow <span title=&> since the syntax section says it's ok.

git-svn-id: http://svn.whatwg.org/webapps@3852 340c8d12-0b0e-0410-8428-c7bf67bfef74

@@ -63152,8 +63152,8 @@ interface <dfn id=messageport>MessagePort</dfn> {
 
    <dt>U+0026 AMPERSAND (&amp;)</dt>
    <dd>Switch to the <a href=#character-reference-in-attribute-value-state>character reference in attribute value
-   state</a>, with no <a href=#additional-allowed-character>additional allowed
-   character</a>.</dd>
+   state</a>, with the <a href=#additional-allowed-character>additional allowed character</a>
+   being U+003E GREATER-THAN SIGN (&gt;).</dd>
 
    <dt>U+003E GREATER-THAN SIGN (&gt;)</dt>
    <dd>Emit the current tag token. Switch to the <a href=#data-state>data

@@ -77845,8 +77845,8 @@ interface <dfn>MessagePort</dfn> {
 
    <dt>U+0026 AMPERSAND (&amp;)</dt>
    <dd>Switch to the <span>character reference in attribute value
-   state</span>, with no <span>additional allowed
-   character</span>.</dd>
+   state</span>, with the <span>additional allowed character</span>
+   being U+003E GREATER-THAN SIGN (&gt;).</dd>
 
    <dt>U+003E GREATER-THAN SIGN (&gt;)</dt>
    <dd>Emit the current tag token. Switch to the <span>data