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I am using smerge to resolve conflicts in my git repo.

I use C-c ^ n to jump to the next conflict. When I view the conflict, for all, I want to apply smerge-refine automatically.

Workflow should be: C-c ^ n and C-c ^ R , where I want C-c ^ R to be triggered automatically.

R   smerge-refine     Highlight the words of the conflict that are different.

Where is it possible to apply smerge-refine right for the all conflicts by default?

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If you set or customize diff-refine to a non-nil value then smerge-refine is applied "automatically" in smerge-next.

See the doc string of diff-refine for the valid values:

If non-nil, enable hunk refinement. The value font-lock means to refine during font-lock. The value navigation means to refine each hunk as you visit it with diff-hunk-next or diff-hunk-prev. You can always manually refine a hunk with diff-refine-hunk.

This answer is valid for Emacs 27.1 and higher.

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  • Like (setq diff-refine t) ?
    – alper
    Commented Mar 16, 2023 at 19:48
  • @alper I've added the doc string for diff-refine. smerge-next does not really care about the actual value it just checks that it is non-nil. Nevertheless, you should use one of the proposed options to make diff-mode work like expected.
    – Tobias
    Commented Mar 16, 2023 at 19:52
  • So can I do something like: (setq diff-refine 'navigation) ?
    – alper
    Commented Mar 17, 2023 at 10:54
  • @alper Yes, that is possible in your init file. But, you can also just customize and save the customization. With small things like that I do it that way.
    – Tobias
    Commented Mar 17, 2023 at 13:35

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