===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/main.c,v
retrieving revision 1.204
retrieving revision 1.205
diff -c -r1.204 -r1.205
*** src/usr.bin/mandoc/main.c	2017/07/26 10:21:24	1.204
--- src/usr.bin/mandoc/main.c	2017/08/21 15:41:26	1.205
***************
*** 1,4 ****
! /*	$OpenBSD: main.c,v 1.204 2017/07/26 10:21:24 schwarze Exp $ */
  /*
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: main.c,v 1.205 2017/08/21 15:41:26 schwarze Exp $ */
  /*
   * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
***************
*** 453,458 ****
--- 453,469 ----
  			} else
  				passthrough(resp->file, fd,
  				    conf.output.synopsisonly);
+ 
+ 			if (ferror(stdout)) {
+ 				if (tag_files != NULL) {
+ 					warn("%s", tag_files->ofn);
+ 					tag_unlink();
+ 					tag_files = NULL;
+ 				} else
+ 					warn("stdout");
+ 				rc = MANDOCLEVEL_SYSERR;
+ 				break;
+ 			}
  
  			if (argc > 1 && curp.outtype <= OUTT_UTF8) {
  				if (curp.outdata == NULL)