GNU bug report logs - #54017
add regexp translation option to read-regexp

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From: Juri Linkov <juri <at> linkov.net>
To: emacsq <laszlomail <at> protonmail.com>
Cc: 54017 <at> debbugs.gnu.org
Subject: bug#54017: add regexp translation option to read-regexp
Date: Wed, 16 Feb 2022 20:25:43 +0200

> Suppose, the user wants to use ( ) for capturing and
> \( \) for matching parens. He provides a function
> which does this translation.
>
> If this new option is set and is a function which does
> the translation then read-regexp will
>
> - accept the format which the user prefers, in this case
> ( ... ) for capturing.
>
> - store regexps in this format in history, so the user
> can work with the user's preferred format even when
> retrieving history entries.
>
> - return the elisp format regexp by calling the function
> provided by the user which does the translation.

This user option already exists.  It's name is 'search-default-mode'.
For stand-alone query-replace it's called 'replace-regexp-function'.

So we just need someone to write these regexp translation functions.

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