*** pgsql/src/backend/utils/misc/guc.c	2009/01/01 17:23:53	1.484
--- pgsql/src/backend/utils/misc/guc.c	2009/01/02 01:16:02	1.485
***************
*** 10,16 ****
   * Written by Peter Eisentraut <peter_e@gmx.net>.
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.483 2008/12/13 19:13:44 tgl Exp $
   *
   *--------------------------------------------------------------------
   */
--- 10,16 ----
   * Written by Peter Eisentraut <peter_e@gmx.net>.
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.484 2009/01/01 17:23:53 momjian Exp $
   *
   *--------------------------------------------------------------------
   */
*************** assign_custom_variable_classes(const cha
*** 7283,7293 ****
  			continue;
  		}
  
! 		if (hasSpaceAfterToken || !isalnum((unsigned char) c))
  		{
  			/*
! 			 * Syntax error due to token following space after token or non
! 			 * alpha numeric character
  			 */
  			pfree(buf.data);
  			return NULL;
--- 7283,7293 ----
  			continue;
  		}
  
! 		if (hasSpaceAfterToken || !(isalnum((unsigned char) c) || c == '_'))
  		{
  			/*
! 			 * Syntax error due to token following space after token or
! 			 * non-identifier character
  			 */
  			pfree(buf.data);
  			return NULL;