tentative fix for #126117 character reference in attributes output problem

* tree.c: tentative fix for #126117 character reference in
  attributes output problem in some cornercase.
Daniel

ChangeLog

+Mon Dec  8 13:09:39 CET 2003 Daniel Veillard <daniel@veillard.com>
+
+	* tree.c: tentative fix for #126117 character reference in
+	  attributes output problem in some cornercase.
+
 Mon Dec  8 11:08:45 CET 2003 Daniel Veillard <daniel@veillard.com>
 	* python/libxml.py: tried to fix the problems reported in 

tree.c

@@ -7699,9 +7699,13 @@ xmlDocContentDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr cur,
     xmlDtdPtr dtd;
     int is_xhtml = 0;
 #endif
+    const xmlChar *oldenc = cur->encoding;
 
     xmlInitParser();
 
+    if (encoding != NULL)
+        cur->encoding = BAD_CAST encoding;
+
     xmlOutputBufferWriteString(buf, "<?xml version=");
     if (cur->version != NULL) 
 	xmlBufferWriteQuotedString(buf->buffer, cur->version);
@@ -7754,6 +7758,8 @@ xmlDocContentDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr cur,
 	    child = child->next;
 	}
     }
+    if (encoding != NULL)
+        cur->encoding = oldenc;
 }
 #endif /* LIBXML_OUTPUT_ENABLED */