File libxml2-2.7.1-oldsax.patch of Package libxml2

--- include/libxml/parser.h
+++ include/libxml/parser.h
@@ -1096,7 +1096,8 @@
 				   crash if you try to modify the tree) */
     XML_PARSE_OLD10	= 1<<17,/* parse using XML-1.0 before update 5 */
     XML_PARSE_NOBASEFIX = 1<<18,/* do not fixup XINCLUDE xml:base uris */
-    XML_PARSE_HUGE      = 1<<19 /* relax any hardcoded limit from the parser */
+    XML_PARSE_HUGE      = 1<<19, /* relax any hardcoded limit from the parser */
+    XML_PARSE_OLDSAX    = 1<<20 /* parse using SAX2 interface from before 2.7.0 */
 } xmlParserOption;
 
 XMLPUBFUN void XMLCALL
--- parser.c
+++ parser.c
@@ -7041,9 +7041,11 @@
     /*
      * Predefined entites override any extra definition
      */
-    ent = xmlGetPredefinedEntity(name);
-    if (ent != NULL)
-        return(ent);
+    if ((ctxt->options & XML_PARSE_OLDSAX) == 0) {
+        ent = xmlGetPredefinedEntity(name);
+        if (ent != NULL)
+            return(ent);
+    }
 
     /*
      * Increate the number of entity references parsed
@@ -7057,6 +7059,9 @@
     if (ctxt->sax != NULL) {
 	if (ctxt->sax->getEntity != NULL)
 	    ent = ctxt->sax->getEntity(ctxt->userData, name);
+	if ((ctxt->wellFormed == 1 ) && (ent == NULL) && 
+	    (ctxt->options & XML_PARSE_OLDSAX))
+	    ent = xmlGetPredefinedEntity(name);
 	if ((ctxt->wellFormed == 1 ) && (ent == NULL) &&
 	    (ctxt->userData==ctxt)) {
 	    ent = xmlSAX2GetEntity(ctxt, name);
@@ -7129,6 +7134,7 @@
      */
     else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
 	     (ent != NULL) && (ent->content != NULL) &&
+	     (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY) &&
 	     (xmlStrchr(ent->content, '<'))) {
 	xmlFatalErrMsgStr(ctxt, XML_ERR_LT_IN_ATTRIBUTE,
     "'<' in entity '%s' is not allowed in attributes values\n", name);
@@ -7224,10 +7230,13 @@
     /*
      * Predefined entites override any extra definition
      */
-    ent = xmlGetPredefinedEntity(name);
-    if (ent != NULL) {
-        *str = ptr;
-        return(ent);
+    if ((ctxt->options & XML_PARSE_OLDSAX) == 0) {
+        ent = xmlGetPredefinedEntity(name);
+        if (ent != NULL) {
+            xmlFree(name);
+            *str = ptr;
+            return(ent);
+        }
     }
 
     /*
@@ -7242,6 +7251,8 @@
     if (ctxt->sax != NULL) {
 	if (ctxt->sax->getEntity != NULL)
 	    ent = ctxt->sax->getEntity(ctxt->userData, name);
+	if ((ent == NULL) && (ctxt->options & XML_PARSE_OLDSAX))
+	    ent = xmlGetPredefinedEntity(name);
 	if ((ent == NULL) && (ctxt->userData==ctxt)) {
 	    ent = xmlSAX2GetEntity(ctxt, name);
 	}
@@ -7310,6 +7321,7 @@
      */
     else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
 	     (ent != NULL) && (ent->content != NULL) &&
+	     (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY) &&
 	     (xmlStrchr(ent->content, '<'))) {
 	xmlFatalErrMsgStr(ctxt, XML_ERR_LT_IN_ATTRIBUTE,
      "'<' in entity '%s' is not allowed in attributes values\n",
@@ -14203,6 +14215,10 @@
 	ctxt->options |= XML_PARSE_HUGE;
         options -= XML_PARSE_HUGE;
     }
+    if (options & XML_PARSE_OLDSAX) {
+	ctxt->options |= XML_PARSE_OLDSAX;
+        options -= XML_PARSE_OLDSAX;
+    }
     ctxt->linenumbers = 1;
     return (options);
 }