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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 7 Nov 2010 20:29:39 +0000 (UTC)
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Subject: svn commit: r214944 - stable/8/bin/sh
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Author: jilles
Date: Sun Nov  7 20:29:39 2010
New Revision: 214944
URL: http://svn.freebsd.org/changeset/base/214944

Log:
  MFC r214609: sh(1): Correct synopsis and make precise how $0 is set.
  
  In particular, the extra argument to set $0 with -c was not documented.

Modified:
  stable/8/bin/sh/sh.1
Directory Properties:
  stable/8/bin/sh/   (props changed)

Modified: stable/8/bin/sh/sh.1
==============================================================================
--- stable/8/bin/sh/sh.1	Sun Nov  7 20:20:19 2010	(r214943)
+++ stable/8/bin/sh/sh.1	Sun Nov  7 20:29:39 2010	(r214944)
@@ -32,7 +32,7 @@
 .\"	from: @(#)sh.1	8.6 (Berkeley) 5/4/95
 .\" $FreeBSD$
 .\"
-.Dd October 16, 2010
+.Dd October 31, 2010
 .Dt SH 1
 .Os
 .Sh NAME
@@ -40,9 +40,24 @@
 .Nd command interpreter (shell)
 .Sh SYNOPSIS
 .Nm
-.Op Fl /+abCEefIimnPpsTuVvx
+.Op Fl /+abCEefIimnPpTuVvx
 .Op Fl /+o Ar longname
-.Op Fl c Ar string
+.Oo
+.Ar script
+.Op Ar arg ...
+.Oc
+.Nm
+.Op Fl /+abCEefIimnPpTuVvx
+.Op Fl /+o Ar longname
+.Fl c Ar string
+.Oo
+.Ar name
+.Op Ar arg ...
+.Oc
+.Nm
+.Op Fl /+abCEefIimnPpTuVvx
+.Op Fl /+o Ar longname
+.Fl s
 .Op Ar arg ...
 .Sh DESCRIPTION
 The
@@ -1105,7 +1120,12 @@ For a
 pipeline, the process ID is that of the last command in the
 pipeline.
 .It Li $0
-(zero) Expands to the name of the shell or shell script.
+(zero) Expands to the name of the shell script if passed on the command line,
+the
+.Ar name
+operand if given (with
+.Fl c )
+or otherwise argument 0 passed to the shell.
 .El
 .Ss Word Expansions
 This clause describes the various expansions that are