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Re: case-table functions clobbering extra slots

From: Simon Josefsson
Subject: Re: case-table functions clobbering extra slots
Date: Fri, 28 Jan 2005 18:17:55 +0100
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.3.50 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>>>> > This reminds me, now that the Unicode tables have been released under
>>>> > a free license, would it make sense to extend C-x = (or probably
>>>> > rather C-u C-x =) to display the Unicode database information for that
>>>> > character?  I would find that useful in many situations.
>>>> C-h v describe-char-unicodedata-file RET
>>> That won't work unless one does a "M-x load-library descr-text RET"
>>> first (or invokes some command that autoloads it).
>> And I can't get it to do anything useful at all.
>> (load "descr-text")
>> (describe-char-unicode-data ?a)
>> => nil
>> It would be nice if it was incorporated into C-x = somehow.
> I don't know what you saw when you tried
> C-h v describe-char-unicodedata-file RET, but what I see includes
> the following: "If it is non-nil `describe-char-after' will print data
> looked up from it".

Sorry, I misunderstood how it worked.  Works fine now.

> Now admittedly, the link with C-x = is weak:
> C-x = mentions that it calls `describe-char' if invoked with C-u,
> and C-h f describe-char-after RET tells you it's an obsolete function
> replaced by `describe-char'.

Making it work more automatically might be nice.  It might be
dangerous, but invoking 'locate UnicodeData.txt' would help locate the
file automatically on some systems.

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