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bug#25318: 24.5; Put `M-s' on a prefix keymap in Isearch
From: |
Lars Ingebrigtsen |
Subject: |
bug#25318: 24.5; Put `M-s' on a prefix keymap in Isearch |
Date: |
Sun, 29 Sep 2019 19:37:30 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Drew Adams <drew.adams@oracle.com> writes:
> Currently, `isearch-mode-map' has a number of key sequences bound in it
> that begin with prefix-key `M-s':
>
> M-s C-e isearch-yank-line
> M-s SPC isearch-toggle-lax-whitespace
> M-s ' isearch-toggle-char-fold
> M-s _ isearch-toggle-symbol
> M-s c isearch-toggle-case-fold
> M-s e isearch-edit-string
> M-s i isearch-toggle-invisible
> M-s o isearch-occur
> M-s r isearch-toggle-regexp
> M-s w isearch-toggle-word
> M-s h r isearch-highlight-regexp
[...]
> Since these keys do not form any _specific_ grouping, I'd propose a
> name for the keymap such as `isearch-misc-map' (better than nothing).
As you point out, these commands aren't functional grouping of any kind,
so I don't think it makes sense to put them on a separate map. It's not
like anybody would want to put all those functions somewhere else, which
is the primary reason to have sub-keymaps.
> This will let users and other libraries move the prefix keymap to a
> different prefix key if they want, or define `M-s C-h' to show only the
> bindings on prefix `M-s', and so on.
>
> As it stands now, a 3rd-party library cannot do what this bug report
> requests, because there are likely other libraries, which may be loaded
> before it, and which bind `M-s <whatever' directly in
> `isearch-mode-map'. Those bindings would be wiped out by a later
> binding of `M-s' to a prefix map.
>
> But if this is done in core Emacs then there will be no such problem
> (there is no problem if a library binds `M-s <whatever>' directly in
> `isearch-mode-map' AFTER the prefix map has been placed on
> `isearch-mode-map).
So your use case is that you want to bind `M-s' to a prefix map
out-of-tree?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- bug#25318: 24.5; Put `M-s' on a prefix keymap in Isearch,
Lars Ingebrigtsen <=