===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/lex/scan.l,v
retrieving revision 1.12
retrieving revision 1.13
diff -c -r1.12 -r1.13
*** src/usr.bin/lex/scan.l	2015/11/19 23:34:56	1.12
--- src/usr.bin/lex/scan.l	2019/09/22 00:47:12	1.13
***************
*** 1,4 ****
! /*	$OpenBSD: scan.l,v 1.12 2015/11/19 23:34:56 mmcc Exp $	*/
  
  /* scan.l - scanner for flex input -*-C-*- */
  
--- 1,4 ----
! /*	$OpenBSD: scan.l,v 1.13 2019/09/22 00:47:12 miko Exp $	*/
  
  /* scan.l - scanner for flex input -*-C-*- */
  
***************
*** 741,747 ****
                      return '(';
                  }
      "("         sf_push(); return '(';
!     ")"         sf_pop(); return ')';
  
  	[/|*+?.(){}]	return (unsigned char) yytext[0];
  	.		RETURNCHAR;
--- 741,753 ----
                      return '(';
                  }
      "("         sf_push(); return '(';
!     ")"         {
!                     if (_sf_top_ix > 0) {
!                         sf_pop();
!                         return ')';
!                     } else
!                         synerr(_("unbalanced parenthesis"));
!                 }
  
  	[/|*+?.(){}]	return (unsigned char) yytext[0];
  	.		RETURNCHAR;