From cf74e00b6dbdab725bf05525850163b3db7c61c8 Mon Sep 17 00:00:00 2001
From: Jason McIntyre <jmc@cvs.openbsd.org>
Date: Tue, 9 Nov 2004 21:56:55 +0000
Subject: /bin/sh supports PS1 expansion;

---
 bin/ksh/sh.1    | 18 +++++++++++++++---
 bin/ksh/sh.1tbl | 18 +++++++++++++++---
 2 files changed, 30 insertions(+), 6 deletions(-)

(limited to 'bin/ksh')

diff --git a/bin/ksh/sh.1 b/bin/ksh/sh.1
index 5da6b46b4ec..4e64b389119 100644
--- a/bin/ksh/sh.1
+++ b/bin/ksh/sh.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sh.1,v 1.51 2004/11/05 14:56:31 jmc Exp $
+.\"	$OpenBSD: sh.1,v 1.52 2004/11/09 21:56:54 jmc Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"     The Regents of the University of California.  All rights reserved.
@@ -1280,8 +1280,20 @@ below.
 .It Ev PPID
 The process ID of the shell's parent (read-only).
 .It Ev PS1
-The prompt is printed verbatim (i.e., no substitutions are done).
-Default is
+The primary prompt for interactive shells.
+Parameter, command, and arithmetic
+substitutions are performed.
+.Ql \&!
+is replaced with the current command number (see the
+.Ic fc
+command below).
+A literal
+.Ql \&!
+can be put in the prompt by placing
+.Ql !!
+in
+.Ev PS1 .
+The default is
 .Dq \&$\ \&
 for non-root users,
 .Dq \&#\ \&
diff --git a/bin/ksh/sh.1tbl b/bin/ksh/sh.1tbl
index ab67ade1db2..7691d4a2f2d 100644
--- a/bin/ksh/sh.1tbl
+++ b/bin/ksh/sh.1tbl
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sh.1tbl,v 1.51 2004/11/05 14:56:31 jmc Exp $
+.\"	$OpenBSD: sh.1tbl,v 1.52 2004/11/09 21:56:54 jmc Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"     The Regents of the University of California.  All rights reserved.
@@ -1280,8 +1280,20 @@ below.
 .It Ev PPID
 The process ID of the shell's parent (read-only).
 .It Ev PS1
-The prompt is printed verbatim (i.e., no substitutions are done).
-Default is
+The primary prompt for interactive shells.
+Parameter, command, and arithmetic
+substitutions are performed.
+.Ql \&!
+is replaced with the current command number (see the
+.Ic fc
+command below).
+A literal
+.Ql \&!
+can be put in the prompt by placing
+.Ql !!
+in
+.Ev PS1 .
+The default is
 .Dq \&$\ \&
 for non-root users,
 .Dq \&#\ \&
-- 
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