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From: | Juri Linkov |
Subject: | bug#39190: 28.0.50; two buffers with same buffer-file-name (diff-syntax-fontify-props) |
Date: | Wed, 05 Feb 2020 01:20:44 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) |
>> vc-find-revision-no-save should not use delay-mode-hooks when called as >> a command. > > That's the problem with the current approach: we end up making decisions > which can't be justified. Whether mode hooks should be run or not > depends on the hook and various other things. What we *do* know, OTOH > is that `vc-find-revision-no-save`s buffer is not associated with > a file, so setting `buffer-file-name` can result in bugs. delay-mode-hooks was intended as the safest workaround to install in emacs-27. Using alternatives of buffer-file-name are not straightforward and need more testing in emacs-28.
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