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From: Martin Vaeth <vaeth@mathematik.uni-wuerzburg.de>
Subject: Re: Helpfiles again (was Re: modify functions hierarchy (was: etc.))
Date: Sun, 24 Nov 2013 12:31:16 +0000 (UTC)
Message-ID: <slrnl93scv.og.vaeth@lounge.imp.fu-berlin.de>
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Martin Vaeth <vaeth@mathematik.uni-wuerzburg.de> wrote:
> if test x"$runhelpdir" = ""; then
>   runhelp=runhelp
> else
>   runhelp=
> fi

I meant the opposite, of course (and forgot x):

if test x"$runhelpdir" = x; then
  runhelp=
else
  runhelp=runhelp
fi