Add EXIT STATUS section.
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)su.1 8.2 (Berkeley) 4/18/94
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.\" $NetBSD: su.1,v 1.25 2002/10/13 00:55:17 wiz Exp $
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.\" $NetBSD: su.1,v 1.26 2003/01/19 19:15:38 jmmv Exp $
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.\"
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.Dd March 7, 2001
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.Dd January 19, 2003
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.Dt SU 1
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.Os
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.Sh NAME
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@ -189,6 +189,10 @@ By default (unless the prompt is reset by a startup file) the super-user
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prompt is set to
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.Dq Sy \&#
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to remind one of its awesome power.
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.Sh EXIT STATUS
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.Nm
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returns the exit status of the executed subshell, or 1 if any error
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occurred while switching privileges.
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.Sh ENVIRONMENT
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Environment variables used by
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.Nm "" :
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