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Re: 'C-x 4 a' broken in diff buffer

From: Stefan Monnier
Subject: Re: 'C-x 4 a' broken in diff buffer
Date: Wed, 07 Feb 2007 22:47:10 -0500
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.93 (gnu/linux)

>> *************** With arg, use separate IO iff arg is pos
>                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> which, as we've said before, is not reliable for languages other than C.
> I find that, with the above value of diff-switches, 'C-x 4 a' fails to
> identify a function to put in the ChangeLog, while it found one in Emacs
> 21.1.

Hmm... are you sure it worked in Emacs-21?
There has been changes in this part of the code, but IIRC they're
fairly minor.  And in any case we've never made use of the text added by the
"-p" flag.
If you can find a case that works in Emacs-21 and fails now, it's probably
a bug, but then you'll need to give us a precise recipe.


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