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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 7 Jun 2009 15:04:44 +0000 (UTC)
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Subject: svn commit: r193636 - head/bin/sh
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Author: jilles
Date: Sun Jun  7 15:04:43 2009
New Revision: 193636
URL: http://svn.freebsd.org/changeset/base/193636

Log:
  Mention the range for the exit status for the exit special builtin.
  
  The exit status may exceed 255 in some cases (return); even though it seems
  unwise to rely on this, it is also unwise to assume that $? is always
  between 0 and 255.
  
  This resolves bin/124748 by documenting that 'exit -1' is not valid.
  
  PR:		bin/124748
  Approved by:	ed (mentor)

Modified:
  head/bin/sh/sh.1

Modified: head/bin/sh/sh.1
==============================================================================
--- head/bin/sh/sh.1	Sun Jun  7 13:26:57 2009	(r193635)
+++ head/bin/sh/sh.1	Sun Jun  7 15:04:43 2009	(r193636)
@@ -1682,6 +1682,7 @@ If
 is given
 it is used as the exit status of the shell;
 otherwise the exit status of the preceding command is used.
+The exit status should be an integer between 0 and 255.
 .It Ic export Ar name ...
 .It Ic export Op Fl p
 The specified names are exported so that they will