===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.27
retrieving revision 1.28
diff -c -r1.27 -r1.28
*** src/usr.bin/m4/m4.1	2003/01/07 18:34:13	1.27
--- src/usr.bin/m4/m4.1	2003/02/16 17:16:45	1.28
***************
*** 1,4 ****
! .\"	@(#) $OpenBSD: m4.1,v 1.27 2003/01/07 18:34:13 mpech Exp $
  .\"
  .\"
  .Dd January 26, 1993
--- 1,4 ----
! .\"	@(#) $OpenBSD: m4.1,v 1.28 2003/02/16 17:16:45 espie Exp $
  .\"
  .\"
  .Dd January 26, 1993
***************
*** 11,16 ****
--- 11,17 ----
  .Nm m4
  .Op Fl d Ar flags
  .Op Fl t Ar name
+ .Op Fl o Ar filename
  .Op Fl g
  .Op Fl s
  .Oo
***************
*** 96,101 ****
--- 97,105 ----
  .Pp
  By default, trace is set to 
  .Qq eq .
+ .It Fl o Ar filename
+ Send trace output to
+ .Ar filename .
  .It Fl t Ar macro
  Turn tracing on for 
  .Ar macro .