Fix duplicate SAX callbacks for entity content

Reset 'was_checked' to prevent entity from being parsed twice and SAX
callbacks being invoked twice if XML_PARSE_NOENT was set.

This regressed in version 2.9.3 and caused problems with WebKit.

Fixes bug 760367.

1 files changed, 3 insertions, 0 deletions

diff --git a/parser.c b/parser.c
index 1e23d26a..7ef6028b 100644
--- a/parser.c
+++ b/parser.c
@@ -7418,6 +7418,9 @@ xmlParseReference(xmlParserCtxtPtr ctxt) {
 	}
 	if (ent->checked == 0)
 	    ent->checked = 2;
+
+        /* Prevent entity from being parsed and expanded twice (Bug 760367). */
+        was_checked = 0;
     } else if (ent->checked != 1) {
 	ctxt->nbentities += ent->checked / 2;
     }