Re: gnus should accept UTF8 even if UTF-8 is standard

[Eli Zaretskii]

> From: Ted Zlatanov <address@hidden>
> Date: Wed, 15 Oct 2008 16:23:58 -0500
> Cc: address@hidden
> 
> On Thu, 16 Oct 2008 00:03:28 +0200 Reiner Steib <address@hidden> wrote: 
> 
> RS> On Wed, Oct 15 2008, Ted Zlatanov wrote:
> >> Reiner Steib <address@hidden> wrote: 
> >>>>>> (define-coding-system-alias 'utf8 'utf-8)
> >>>>>> (define-coding-system-alias 'UTF8 'utf-8)
> KH> I agree that defining those aliases causes no problem.
> 
> RS> BTW, is the uppercase variant useful?  AFAICS, it is the only
> RS> uppercase variant...
> RS> -*- mode: grep; default-directory: ".../emacs/lisp/international/" -*-
> RS> Grep started at Wed Oct 15 23:58:55
> 
> RS> grep -nH -e define-coding-system-alias.*[A-Z] *.el
> RS> mule-conf.el:1279:(define-coding-system-alias 'UTF8 'utf-8)
> 
> RS> Grep finished (matches found) at Wed Oct 15 23:58:55
> 
> It's a common usage, e.g. in locale names.  'UTF-8 is also common and
> should be added.

It's common usage, allright, but it need not be added, because code
that gleans a coding-system from file metadata and email messages
should always downcase the encoding before intern-ing it.  If some
code doesn't downcase, that's a bug that needs to be fixed.