bug#12392: emacs-gtk misinterprets floating-point numbers under certain locales on openSUSE 12.2

[Eli Zaretskii]

> From: Holger Arnold <holgerar@gmail.com>
> Cc: 12392@debbugs.gnu.org
> Date: Sat, 22 Sep 2012 19:18:18 +0200
> 
> > How can Emacs do both?  How can it display "4.0" for the result of
> > '(* 2.0 2.0)', but "23,4%" in a message like "Your disk is 23.4% full."?
> 
> What do you mean by "how"?  Technically, philosophically, ...?

The former, of course.

> How can GCC print localized error messages, but still not accept
> 'double x = 0,25 * 1,0;' in a C program?

In our case, we are talking about two instances of output.

> I assume that most Emacs users can tell whether they are interacting with the 
> Lisp interpreter or the "other" user interface.  So, what's the problem?

We are not talking about users, we are talking about Emacs, which is a
computer program.  It needs to be able to differentiate between these
two instances of output, if you want it to use different decimal
separators in each case.