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From: "Robert J. Chassell" <bob@rattlesnake.com>
To: emacs-devel@gnu.org
Subject: Re: should query-replace-regexp-eval be in the manual?
Date: Mon, 16 Apr 2007 00:51:09 +0000 (UTC)	[thread overview]
Message-ID: <m1HdFQz-0027M2C@rattlesnake.com> (raw)
In-Reply-To: <EIENLHALHGIMHGDOLMIMMEKIDAAA.drew.adams@oracle.com>

The discussion of query-replace-regexp presumes using it
interactively.  That does not necessarily follow, although I suppose
interactive use is most common.

For example

    M-C-% or.*ry RET \,(format "strange %s" \#)

is

    (query-replace-regexp "or.*ry"
                          '(replace-eval-replacement
                            replace-quote
                            (format "strange %s" replace-count)))

[i.e., convert "ordinary" or something like it to "strange" plus a number]

When you are writing Emacs Lisp expressions, it is simpler to use
`query-replace-regexp-eval'.  The same result will come from invoking

    (query-replace-regexp-eval "or.*ary"
                               '(format "strange %s" replace-count))

I recommend leaving it in the source.  Perhaps (a short) mention in
the manual is useful, although I do not feel strongly about that.

--
    Robert J. Chassell                          GnuPG Key ID: 004B4AC8
    bob@rattlesnake.com                         bob@gnu.org
    http://www.rattlesnake.com                  http://www.teak.cc

  reply	other threads:[~2007-04-16  0:51 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-13 16:41 should query-replace-regexp-eval be in the manual? Drew Adams
2007-04-14  9:47 ` Alan Mackenzie
2007-04-14 14:43   ` Drew Adams
2007-04-15 21:56     ` David Kastrup
2007-04-15 22:03       ` David Kastrup
2007-04-15 22:11         ` Lennart Borgman (gmail)
2007-04-15 22:55           ` Drew Adams
2007-04-16  0:51             ` Robert J. Chassell [this message]
2007-04-16  3:45               ` Stefan Monnier
2007-04-15 22:54       ` Drew Adams
2007-04-16 15:37       ` Richard Stallman
2007-04-16 17:22         ` David Kastrup
2007-04-17 18:03           ` Richard Stallman
2007-04-17 23:27             ` David Kastrup
2007-04-18 14:56               ` Richard Stallman
2007-04-18 16:37                 ` David Kastrup

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