Fix macro. Remove trailing whitespace.
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@ -1,4 +1,4 @@
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.\" $NetBSD: sigaction.2,v 1.46 2015/10/31 17:45:32 christos Exp $
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.\" $NetBSD: sigaction.2,v 1.47 2015/11/01 08:52:29 wiz Exp $
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.\"
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.\" Copyright (c) 1980, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -289,8 +289,8 @@ flag in
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.Pp
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If the signal handler is called due to signal delively resulting from reasons
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other than direct calls to
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.Xr kill 2
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or
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.Xr kill 2
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or
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.Xr _lwp_kill 2
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or indirect calls to
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.Xr _lwp_kill 2
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@ -300,7 +300,7 @@ or
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.Xr raise 3
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any activity (such as calling functions or assigning variables in the global
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or static scopes) other than setting a variable of the type
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.Dt volatile sig_atomic_t
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.Vt volatile sig_atomic_t
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is undefined.
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.Pp
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Only functions that are async-signal-safe can safely be used in signal
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