GNU bug report logs - #2949
23.0.92; font-info incompatible across Emacs versions

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Message #10 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Miles Bader <miles <at> gnu.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 2949 <at> debbugs.gnu.org, <emacs-pretest-bug <at> gnu.org>
Subject: Re: bug#2949: 23.0.92; font-info incompatible across Emacs versions
Date: Sun, 12 Apr 2009 02:26:01 +0900

"Drew Adams" <drew.adams <at> oracle.com> writes:
> In Emacs 20, `font-info' returns an array like this:
...
> In Emacs 22 and later, it returns an array like this:
...
> This breaks any code that tries to use the result with different Emacs versions.

So.... what exactly do you want to happen?

The two formats look easy enough to distinguish.  Since the change
occurred in 22, it's been widely released, so obviously 3rd-party code
simply has to be prepared to deal with it (if they care about 21 and
older versions), and there's little point in changing it back now.

-Miles

-- 
Education, n. That which discloses to the wise and disguises from the foolish
their lack of understanding.

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