Bug#582421: [Patch] Floating point is broken if :lang is called in gvim

[James Vega]

On Thu, May 20, 2010 at 10:12:50PM +0200, Bram Moolenaar wrote:
> > If the locale is changed in gvim via ":lang" to a locale which uses
> > comma for the decimal separator, then floating point numbers are no
> > longer usable.  This only happens with the ":lang $locale" variant,
> > since that sets $LANG before calling gtk_set_locale().
> > 
> >   env LANG=C gvim
> >   :lang es_ES.UTF-8
> >   :lang messages C  " so errors are in English
> >   :echo ceil(1.2)
> >   E806: using Float as a String
> >   E116: Invalid arguments for function ceil(1.2)
> >   E15: Invalid expression: ceil(1.2)
> >   :echo str2float('1.2')
> >   1,0
> >   :echo str2float('1,2')
> >   1,2
> > 
> > Attached patch fixes the issue by ensuring $LC_NUMERIC is set to C if
> > the LC_ALL version of :lang is called.
> 
> Thanks.  In other places we do this:
> 
>     setlocale(LC_NUMERIC, "C");
> 
> Thus I think we should do the same in this place.

That won't work here.  The issue is specifically to do with the
environment variables present when gtk_set_locale is called.  In fact,
there's already an instance of “setlocal(LC_NUMERIC, "C");” a few lines
above the code my patch adds.

-- 
James
GPG Key: 1024D/61326D40 2003-09-02 James Vega <jamessan at debian.org>
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