===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.65
retrieving revision 1.66
diff -c -r1.65 -r1.66
*** src/usr.bin/m4/m4.1	2021/03/08 02:47:28	1.65
--- src/usr.bin/m4/m4.1	2022/03/31 17:27:25	1.66
***************
*** 1,4 ****
! .\"	@(#) $OpenBSD: m4.1,v 1.65 2021/03/08 02:47:28 jsg Exp $
  .\"
  .\" Copyright (c) 1989, 1993
  .\"	The Regents of the University of California.  All rights reserved.
--- 1,4 ----
! .\"	@(#) $OpenBSD: m4.1,v 1.66 2022/03/31 17:27:25 naddy Exp $
  .\"
  .\" Copyright (c) 1989, 1993
  .\"	The Regents of the University of California.  All rights reserved.
***************
*** 30,36 ****
  .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  .\" SUCH DAMAGE.
  .\"
! .Dd $Mdocdate: March 8 2021 $
  .Dt M4 1
  .Os
  .Sh NAME
--- 30,36 ----
  .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  .\" SUCH DAMAGE.
  .\"
! .Dd $Mdocdate: March 31 2022 $
  .Dt M4 1
  .Os
  .Sh NAME
***************
*** 74,80 ****
  parenthesis
  .Pq Sq \&( .
  If the macro name is not followed by an open
! parenthesis it is processed with no arguments.
  .Pp
  Macro names consist of a leading alphabetic or underscore
  possibly followed by alphanumeric or underscore characters, e.g.,
--- 74,80 ----
  parenthesis
  .Pq Sq \&( .
  If the macro name is not followed by an open
! parenthesis, it is processed with no arguments.
  .Pp
  Macro names consist of a leading alphabetic or underscore
  possibly followed by alphanumeric or underscore characters, e.g.,
***************
*** 332,338 ****
  .Ic index(the quick brown fox jumped, fox)
  returns 16).
  If the second
! argument is not found index returns \-1.
  .It Fn indir macro arg1 ...
  Indirectly calls the macro whose name is passed as the first argument,
  with the remaining arguments passed as first, ... arguments.
--- 332,338 ----
  .Ic index(the quick brown fox jumped, fox)
  returns 16).
  If the second
! argument is not found, index returns \-1.
  .It Fn indir macro arg1 ...
  Indirectly calls the macro whose name is passed as the first argument,
  with the remaining arguments passed as first, ... arguments.
***************
*** 412,418 ****
  .It Fn substr string offset length
  Returns a substring of the first argument starting at the offset specified
  by the second argument and the length specified by the third argument.
! If no third argument is present it returns the rest of the string.
  .It Fn syscmd cmd
  Passes the first argument to the shell.
  Nothing is returned.
--- 412,418 ----
  .It Fn substr string offset length
  Returns a substring of the first argument starting at the offset specified
  by the second argument and the length specified by the third argument.
! If no third argument is present, it returns the rest of the string.
  .It Fn syscmd cmd
  Passes the first argument to the shell.
  Nothing is returned.