From: Kevin Rodgers <ihs_4664@yahoo.com>
Subject: Re: case conversion by replace-match
Date: Fri, 16 May 2003 15:32:48 -0600 [thread overview]
Message-ID: <3EC55900.10008@yahoo.com> (raw)
In-Reply-To: mailman.6326.1053119374.21513.bug-gnu-emacs@gnu.org
Andreas Schwab wrote:
> Roland Winkler <roland.winkler@physik.uni-erlangen.de> writes:
>
> |> Start a fresh emacs --no-init-file
> |>
> |> define the following function
> |>
> |> (defun foo ()
> |> (interactive)
> |> (let (case-fold-search)
> |> (while (search-forward "=FC" nil t)
> |> (replace-match (string 252) nil t))))
> |>
> |> `(string 252)' gives a lowercase umlaut-u (iso-latin-1)
> |>
> |> However, when foo is run in a buffer containing the string "=FC",
> |> this string will be replaced with an uppercase umlaut-U.
>
> Exactly as documented.
That's what I thought at first. Then I thought the "=" obviously means that
not all the characters in the replacement text are capital letters, so NEXTEXT
should not be uppercase'd. But then I thought the "=" divides the replacement
text into 2 words, an empty word and an uppercase word; so if the empty word is
ignored and an uppercase word is considered to be capitalized, then (each word
in) the replacement text should be capitalized.
But really, that's all just a rationalization to support the observed behavior.
The user should specify FIXEDCASE as t if he/she knows that NEWTEXT is is case-
precise. And Emacs should not consider "=FC" to be a sequence of capitalized
words.
> If you don't want this, pass a non-nil second
> argument to replace-match:
>
> If second arg FIXEDCASE is non-nil, do not alter case of replacement text.
> Otherwise maybe capitalize the whole text, or maybe just word initials,
> based on the replaced text.
> If the replaced text has only capital letters
> and has at least one multiletter word, convert NEWTEXT to all caps.
> Otherwise if all words are capitalized in the replaced text,
> capitalize each word in NEWTEXT.
--
<a href="mailto:<kevin.rodgers@ihs.com>">Kevin Rodgers</a>
next prev parent reply other threads:[~2003-05-16 21:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-16 14:16 case conversion by replace-match Roland Winkler
2003-05-16 19:47 ` Stefan Monnier
2003-05-16 21:07 ` Andreas Schwab
[not found] ` <mailman.6326.1053119374.21513.bug-gnu-emacs@gnu.org>
2003-05-16 21:32 ` Kevin Rodgers [this message]
2003-05-16 21:51 ` Andreas Schwab
2003-05-17 13:50 ` Richard Stallman
[not found] ` <mailman.6339.1053179576.21513.bug-gnu-emacs@gnu.org>
2003-05-17 20:09 ` Roland Winkler
2003-05-19 20:24 ` Kevin Rodgers
2003-05-21 1:55 ` Richard Stallman
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