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bug#10113: 24.0.91; Isearch & `M-e'
From: |
Juri Linkov |
Subject: |
bug#10113: 24.0.91; Isearch & `M-e' |
Date: |
Tue, 22 Mar 2022 10:47:44 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) |
>> Yes, this patch makes automatic toggling in both directions:
>> from case-insensitive to case-sensitive and back from case-sensitive
>> to case-insensitive.
>
> This was ten years ago, and isearch behaves the same, as far as I can
> tell.
This request is exactly as bug#14729 - to change the traditional behavior
of isearch for no gain, only for consistency with some abstract ideas.
>> Without this patch the current behavior is automatic toggling in one
>> direction: from case-insensitive to case-sensitive (on the first
>> encountered upper case letter). Toggling back from case-sensitive
>> to case-insensitive is manual with `M-c', and this choice is remembered
>> with the value `yes' of `isearch-case-fold-search'.
>
> I think your patch makes sense -- make `M-c' toggle the case
> sensitivity in both directions, if I understand correctly?
The patch implemented automatic case-fold toggling in both directions,
where typing a letter re-evaluates case-sensitivity of the search string.
This might break some users' habits. So another idea was to re-evaluate
case-sensitivity only in `isearch-edit-string' and `isearch-del-char'.
Still such change might be unexpected for some users.