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Re: query-replace-interactive not documented

From: Juri Linkov
Subject: Re: query-replace-interactive not documented
Date: Sat, 12 Jun 2004 11:16:09 +0300
User-agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3.50 (gnu/linux)

Richard Stallman <address@hidden> writes:
>     How about typing a special key (say, `M-e', where "e" stands for
>     "eval" or "expression") in the second prompt for a replacement string
>     to switch it to expression reading mode, and after typing RET
>     to call `query-replace-regexp-eval' instead of `query-replace-regexp'.
>     Actually, this means typing:
>     C-M-% from-string RET M-e to-expr RET
> This is rather obsure, and ad hoc.

This is not quite ad hoc.  Some GNU programs already provide exactly
the same feature.  Here is an excerpt from `man less':


              Certain characters are special if entered at the beginning of the
              pattern; they modify the type of search rather than  become  part
              of the pattern:

              [^N ^E ^F ^K skipped...]

              ^R     Don't interpret  regular  expression  metacharacters;
                     that is, do a simple textual comparison.

> So it is probably harder to remember than M-x que TAB - TAB - TAB,
> which works now and can be found systematically from the command
> name.

What do you think about documenting `query-replace-regexp-eval'
in the Emacs manual even without a keybinding?

Juri Linkov

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