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Re: loaddefs.el filenames as seen by `update-file-autoloads'

From: Stefan Monnier
Subject: Re: loaddefs.el filenames as seen by `update-file-autoloads'
Date: Mon, 12 May 2003 19:05:14 -0400

> under vms, filenames are case-insensitive and are upcased w/in emacs.

Any reason why it's upcased ?
Is it just the tradition under VMS ?  At least under Emacs, the tradition
is rather to use lowercase for most file names, so it would make more
sense to downcase (and most places where we want to ignore case, we
downcase rather than upcase, your code below being a prime example).

Also it would be better to do what W32 does: preserve capitalization.
Is that possible ?

>   (let ((load-name ...))
>     (when (memq system-type '(vax-vms vms
>                               ;; Add other systems whose filenames
>                               ;; are case insensitive and for which
>                               ;; `expand-file-name' DTRT, here.
>                             ))
>       (setq load-name (downcase load-name)))
>     ...
>     (when (string= load-name ...) ...))

I'd rather use file-name-equal.

Admittedly, since loaddefs.el is still under CVS control and is hence
shared between all kinds of systems, it might be better to just systematically
downcase, independently from the system in use.

Hold it.  What about the file name in the (autoload ...) form ?
Since the `autoload' might be used on case-sensitive systems, it needs
to have the right capitalization (now there's an example where
preserving capitalization in filenames (even if you ignore it)
is beneficial).

> changing `load-name' instead of making the comparison case-insensitive
> means loaddefs.el will have lowercased frags (under vms), a change that
> is transparent to `expand-file-name'.  is this ok?  other ideas?

I don't understand your references to expand-file-name.
Could you lay out what you mean ?


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