Document the fact that 'true' and 'false' are among sh(1) built-in commands.
MFC after: 3 days
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@ -32,7 +32,7 @@
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.\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95
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.\" $FreeBSD$
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.\"
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.Dd June 15, 2006
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.Dd June 21, 2006
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.Dt SH 1
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.Os
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.Sh NAME
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@ -1619,6 +1619,8 @@ If the
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option is specified, the exported variables are printed as
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.Dq Ic export Ar name Ns = Ns Ar value
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lines, suitable for re-input to the shell.
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.It Ic false
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A null command that returns a non-zero (false) exit value.
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.It Ic fc Oo Fl e Ar editor Oc Op Ar first Op Ar last
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.It Ic fc Fl l Oo Fl nr Oc Op Ar first Op Ar last
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.It Ic fc Fl s Oo Ar old Ns = Ns Ar new Oc Op Ar first
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@ -1996,6 +1998,8 @@ Option
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causes the
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.Ic trap
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command to display a list of valid signal names.
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.It Ic true
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A null command that returns a 0 (true) exit value.
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.It Ic type Op Ar name ...
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Interpret each
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.Ar name
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