Allow for X as well as x to be the prefix for hexadecimal character ref entity numbers,

as in HTML.

src/backend/tsearch/wparser_def.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/tsearch/wparser_def.c,v 1.12 2007/11/25 15:37:11 adunstan Exp $
+ *	  $PostgreSQL: pgsql/src/backend/tsearch/wparser_def.c,v 1.13 2007/11/25 19:35:41 adunstan Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -836,6 +836,7 @@ static const TParserStateActionItem actionTPS_InXMLEntity[] = {
 static const TParserStateActionItem actionTPS_InXMLEntityNumFirst[] = {
 	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
 	{p_iseqC, 'x', A_NEXT, TPS_InXMLEntityHexNumFirst, 0, NULL},
+	{p_iseqC, 'X', A_NEXT, TPS_InXMLEntityHexNumFirst, 0, NULL},
 	{p_isdigit, 0, A_NEXT, TPS_InXMLEntityNum, 0, NULL},
 	{NULL, 0, A_POP, TPS_Null, 0, NULL}
 };