GNU bug report logs - #13004
24.2; vc-diff from vc-log doesn't show diff before renames (for Mercurial backend).

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From: Glenn Morris <rgm <at> gnu.org>
To: Oleksandr Gavenko <gavenkoa <at> gmail.com>
Cc: 13004 <at> debbugs.gnu.org
Subject: bug#13004: 24.2; vc-diff from vc-log doesn't show diff before renames (for Mercurial backend).
Date: Wed, 28 Nov 2012 15:29:14 -0500

Oleksandr Gavenko wrote:

> Additional info.

(Seems more like a different bug report to me.)

> Next go to previous version by "a" (vc-annotate-revision-previous-to-line) on
> second line:
>
>   0 Tue Nov 27 21:12:00 2012 +0200  README: xxx
>   1 Tue Nov 27 21:12:23 2012 +0200  README: yyy          (*1*)
>   3 Tue Nov 27 21:13:15 2012 +0200 INSTALL: zzz
>
> So you move to:
>
>   0 Tue Nov 27 21:12:00 2012 +0200 README: xxx           (*2*)

Emacs is now looking at revision 0 of file "README".

> If you try move forward by "w" (vc-annotate-working-revision) Emacs print
> error:
>
>   vc-annotate-warp-revision: Invalid argument to vc-annotate-warp-revision

Ie, you try to jump to the working revision of file "README".
But file README has no working revision, hence the error.

I have no idea what, if anything, to do about that.

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