Make the XPath engine handle CDATA sections as text-nodes.

b=92786 r=peterv, pike sr=jst

Mixed small fixes and comments.
b=99792 r=peterv sr=jst


git-svn-id: svn://10.0.0.236/trunk@103025 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/transformiix/source/xpath/NodeSet.cpp

@@ -350,6 +350,7 @@ double NodeSet::numberValue() {
 **/
 void NodeSet::stringValue(String& str) {
     if ( size()>0) {
+        // XXX Sort by document order here
         XMLDOMUtils::getNodeValue(get(0), &str);
     }
 } //-- stringValue