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Re: grep command doc - point out that you can chain now

From: Nick Roberts
Subject: Re: grep command doc - point out that you can chain now
Date: Mon, 17 Jul 2006 20:19:53 +1200

 > > So, I'm disappointed to see that this is not pointed out in the Emacs
 > > manual presentation of `grep'. I really think this is worth pointing out
 > > explicitly, with a simple example, especially since it was not possible
 > > before.
 > Why wouldn't it have been possible before?

I think it relates to this change:

2001-10-05  Miles Bader  <address@hidden>

        * progmodes/compile.el (grep-use-null-device): New variable.
        (grep-command): Mention `grep-use-null-device'.
        (grep-compute-defaults): Compute `grep-use-null-device' if necessary.
        Make computation of `grep-command' respect `grep-use-null-device'.

which was made just after the branch for Emacs 21.1 and so is only in CVS.

I don't think it should be pointed out in the manual because you would expect
it to work.  However it might be worth mentioning it in NEWS, so that users
who have tried it in the past know it will now work.

Nick                                           http://www.inet.net.nz/~nickrob

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