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bug#11067: 24.0.94.1; diff-buffer-with-file
From: |
Stefan Monnier |
Subject: |
bug#11067: 24.0.94.1; diff-buffer-with-file |
Date: |
Sat, 24 Mar 2012 14:19:26 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.94 (gnu/linux) |
> 2. Set `diff-command' to "winmerge" and `diff-switches' to nil
I think I'm beginning to understand the problem a bit better.
I.e. the immediate problem for you is the fact that the new code uses
"-L <label>", but in reality, even in Emacs-23 there were problems with
your approach: your diff-command does not behave as expected, which
breaks some code that uses diff-command internally (I'd guess that
smerge-resolve and diff-refine-hunk are affected, for example), and you
may end up with a "spurious" *diff* buffer displayed even though you
don't actually want/need it since you'll view the diff in the winmerge
window instead.
So I think that putting winmerge into diff-command is working at too-low
a level (tho it's the only level available to you right now). We'd want
instead to provide a new custom variable to let you choose your favorite
diff'ing tool, which can be a command like winmerge/kcompare/xxdiff, or
it could be diff+diff-mode (the current default behavior), or it could
be ediff.
For 24.1, we could provide a `diff-command-understands-L' which you
could set to nil (and which smerge-mode could also obey).
Stefan
- bug#11067: 24.0.94.1; diff-buffer-with-file, (continued)
bug#11067: 24.0.94.1; diff-buffer-with-file, Stefan Monnier, 2012/03/23
bug#11067: 24.0.94.1; diff-buffer-with-file,
Stefan Monnier <=