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Re: braced variable expansion in here documents

From: Stepan Kasal
Subject: Re: braced variable expansion in here documents
Date: Thu, 25 May 2006 21:26:47 +0200
User-agent: Mutt/


On Thu, May 25, 2006 at 01:37:11AM -0700, Paul Eggert wrote:
> If we can come up with something nicer that still avoids the bugs,
> that'd be good.  But let's not revert the patch until we have
> something nicer in hand.

sure, that's a good rule.

First, let me mention what I see as the main disadvantage of your
patch: config.status is less readable with all those expansions.
And two two levels of here-documents make status.m4 difficult to
read, so looking into a generated config.status is often useful.

``something nicer'' I would like to add a check which would rule out
shells with this bugs from the ``better shell'' selection.
If I understand it correctly, there is always another usable shell on
the affected machines.

I'll prepare a patch later.

Stepan Kasal

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