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Re: [David Ponce <address@hidden>] Re: CC Mode 5.30

From: Martin Stjernholm
Subject: Re: [David Ponce <address@hidden>] Re: CC Mode 5.30
Date: Sat, 05 Jul 2003 22:10:36 +0200
User-agent: Gnus/5.090016 (Oort Gnus v0.16) Emacs/20.7 (gnu/linux)

Martin Stjernholm <address@hidden> wrote:

>> From: David Ponce <address@hidden>
>> That is definitively the case, when system-type is windows-nt (or
>> cygwin), Emacs can't distinguish ".c" from ".C".

I've now changed the autoload directives in cc-mode.el so that ".c"
comes before ".C" in auto-mode-alist. Still, I think the match method
used in `set-auto-mode' should be changed:

>> Here is the relevant code in function `set-auto-mode' in files.el,
>> that set `case-fold-search' before trying to `string-match' regexps
>> in `auto-mode-alist':
>>              (let ((alist auto-mode-alist)
>>                (mode nil))
>>            ;; Find first matching alist entry.
>>            (let ((case-fold-search
>>                   (memq system-type '(vax-vms windows-nt cygwin))))
>>              (while (and (not mode) alist)
>>                (if (string-match (car (car alist)) name)
>>                    ....
> Wouldn't it be better if it downcased the name and matched it case
> sensitively instead? The "normal" case in case sensitive systems is
> afaik lowercase, so patterns that are written without special
> attention to it use lowercase characters and would match if the name
> was simply downcased.
> Also, NT file systems can distinguish between upper and lower case
> chars visually, even if it doesn't matter when finding files. Thus it
> could be an idea to try to match the name case sensitively first, and
> if that fails do another attempt with a downcased name (or with
> case-fold-search set).

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