GNU bug report logs - #34080
27.0.50, 26.1; undocumented key bindings for *vc-diff*

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From: Juri Linkov <juri <at> linkov.net>
To: Van L <van <at> scratch.space>
Cc: 34080 <at> debbugs.gnu.org
Subject: bug#34080: 27.0.50, 26.1; undocumented key bindings for *vc-diff*
Date: Sat, 19 Jan 2019 23:24:03 +0200

> The *Help* buffer for diff-mode.el is better
> if the following key bindings are documented
>
> #+NAME: undocumented-key-bindings
> | key   | binding        |
>
> |-------+----------------|
> | TAB   | diff-hunk-next |
> | S-TAB | diff-hunk-prev |
>
> the above make more sense than the following
>
> #+NAME: existing-key-bindings-documented
> | key   | binding        |
>
> |-------+----------------|
> | C-M-i | diff-hunk-next |
> | M-n   |                |
> |-------+----------------|
> | M-p   | diff-hunk-prev |

It seems what you want is:

(put 'diff-hunk-next :advertised-binding [tab])
(put 'diff-hunk-prev :advertised-binding [(shift tab)])

> And, for the word "hunk" to link to a Glossary's
> entry like for example
>
> http://www-history.mcs.st-and.ac.uk/Glossary/oblong_number.html
>
> is a feature to have unless it is already therein.

Better to link to the Info manual (info "(diffutils) Hunks")

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