From: hufflen@lifc.univ-fcomte.fr (hufflen jean-michel)
Cc: bug-gnu-emacs@gnu.org, hufflen@lifc.univ-fcomte.fr
Subject: Re: Replacement
Date: Thu, 3 Nov 2005 17:33:29 +0100 (CET) [thread overview]
Message-ID: <20051103163329.CC26B32F1A@lifc.univ-fcomte.fr> (raw)
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>From juri@jurta.org Fri Oct 28 08:14:34 2005
>(...)
Thanks for your answer.
>>> Let us consider a source text for LateX and assume that we want to
>>> replace the command for an accented letter by the accented letter
>>> itself. For example, replacing \`{a} by =C3 using the accurate
>>> coding. If we look into the documentation and would like to
>>> perform this operation by means of a Lisp code, that should be:
>>> (beginning-of-buffer)
>>> (while (re-search-forward "\\\B`{a}" nil t)
>>> (replace-match "=C3 " nil nil))
>>> Unfortunately, the replacement is \`{a} =3D=3D=3D=3D> \=C3=20
>>
>> "\\\B..." is the same as "\\B...". I think you meant "\\\\B..."
>
>Unquoted string "\\\\B" is `\\B' which matches two characters `\' and `B'.
>I don't think this is what is wanted.
In fact, I suspect that the problem is more complicated... Unless I miss
something about the regular expressions handled by emacs. If I wish the
following replacement:
\^{a} or \^a ====> â
and program:
(while (re-search-forward "\\^{?a}?" ...) (replace-match "â" ...))
it results: \^{a} or \^a ====> \â
If the replacement I wish is:
\`{a} or \`a ====> à
then (while (re-search-forward "\\`{?a}?" ...) (replace-match "à" ...))
does not work. I thought that a better result would be got by separating the
` character from backslashes and that is why I put:
(while (re-search-forward "\\\B`{?a}?" ...) (replace-match "à" ...))
the result is the same than for the circumflex accent, that is:
\`{a} or \`a ====> \à
Yours sincerely,
J.-M. H.
next reply other threads:[~2005-11-03 16:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-03 16:33 hufflen jean-michel [this message]
2005-11-03 17:59 ` Replacement Andreas Schwab
-- strict thread matches above, loose matches on Subject: below --
2005-10-27 15:44 Replacement hufflen jean-michel
2005-10-27 18:48 ` Replacement Kevin Rodgers
2005-10-28 6:03 ` Replacement Juri Linkov
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