Completed/revamped the SAX support, removed old namespace suppport, Daniel
diff --git a/include/libxml/tree.h b/include/libxml/tree.h
index 4443836..3f00aa0 100644
--- a/include/libxml/tree.h
+++ b/include/libxml/tree.h
@@ -283,8 +283,8 @@
xmlNodePtr xmlNewText(const CHAR *content);
xmlNodePtr xmlNewDocTextLen(xmlDocPtr doc, const CHAR *content, int len);
xmlNodePtr xmlNewTextLen(const CHAR *content, int len);
-xmlNodePtr xmlNewDocComment(xmlDocPtr doc, CHAR *content);
-xmlNodePtr xmlNewComment(CHAR *content);
+xmlNodePtr xmlNewDocComment(xmlDocPtr doc, const CHAR *content);
+xmlNodePtr xmlNewComment(const CHAR *content);
xmlNodePtr xmlNewReference(xmlDocPtr doc, const CHAR *name);
xmlNodePtr xmlCopyNode(xmlNodePtr node, int recursive);
xmlNodePtr xmlCopyNodeList(xmlNodePtr node);