===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.51
retrieving revision 1.52
diff -c -r1.51 -r1.52
*** src/usr.bin/m4/m4.1	2008/08/16 12:21:46	1.51
--- src/usr.bin/m4/m4.1	2008/08/16 12:26:07	1.52
***************
*** 1,4 ****
! .\"	@(#) $OpenBSD: m4.1,v 1.51 2008/08/16 12:21:46 espie Exp $
  .\"
  .\" Copyright (c) 1989, 1993
  .\"	The Regents of the University of California.  All rights reserved.
--- 1,4 ----
! .\"	@(#) $OpenBSD: m4.1,v 1.52 2008/08/16 12:26:07 espie Exp $
  .\"
  .\" Copyright (c) 1989, 1993
  .\"	The Regents of the University of California.  All rights reserved.
***************
*** 138,148 ****
  In this mode, translit handles simple character
  ranges (e.g., a-z), regular expressions mimic emacs behavior,
  multiple m4wrap calls are handled as a stack,
! the number of diversions is unlimited,
! empty names for macro definitions are allowed,
! and eval understands 
! .Sq 0rbase:value 
! numbers.
  .It Fl I Ar "dirname"
  Add directory
  .Ar dirname
--- 138,144 ----
  In this mode, translit handles simple character
  ranges (e.g., a-z), regular expressions mimic emacs behavior,
  multiple m4wrap calls are handled as a stack,
! and the number of diversions is unlimited.
  .It Fl I Ar "dirname"
  Add directory
  .Ar dirname
***************
*** 272,280 ****
  .Fa arg1
  and following arguments, in a way similar to
  .Xr printf 3 .
! This built-in is only available in GNU-m4 compatibility mode, and the only
! parameters implemented are there for autoconf compatibility:
! left-padding flag, an optional field width, a maximum field width, *-specified field widths, and the %s and %c data type.
  .It Fn ifdef name yes no
  If the macro named by the first argument is defined then return the second
  argument, otherwise the third.
--- 268,276 ----
  .Fa arg1
  and following arguments, in a way similar to
  .Xr printf 3 .
! This built-in is only available in GNU-m4 compatibility mode, and the
! left-padding flag, an optional field width and the %s data type
! are the only supported parameters.
  .It Fn ifdef name yes no
  If the macro named by the first argument is defined then return the second
  argument, otherwise the third.