===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.17
retrieving revision 1.18
diff -c -r1.17 -r1.18
*** src/usr.bin/m4/m4.1	2000/07/06 04:06:55	1.17
--- src/usr.bin/m4/m4.1	2000/07/24 23:08:25	1.18
***************
*** 1,4 ****
! .\"	@(#) $OpenBSD: m4.1,v 1.17 2000/07/06 04:06:55 aaron Exp $
  .\"
  .\"
  .Dd January 26, 1993
--- 1,4 ----
! .\"	@(#) $OpenBSD: m4.1,v 1.18 2000/07/24 23:08:25 espie Exp $
  .\"
  .\"
  .Dd January 26, 1993
***************
*** 139,144 ****
--- 139,148 ----
  if no arguments are passed.
  .It Ic errprint
  Prints the first argument on the standard error output stream.
+ .It Ic esyscmd
+ Pass its first argument to a shell and returns the shell's standard output.
+ Note that the shell shares its standard input and standard error with
+ .Nm
  .It Ic eval
  Computes the first argument as an arithmetic expression using 32-bit
  arithmetic.