Re: cairo and character encoding issues

[Allin C. <cot...@wf...>]

On Sat, 24 Nov 2007, Ethan A Merritt wrote:

> > 2) How did LC_CTYPE _get_ to be equal to en_US.UTF-8 at this point 
> > in execution, when the only command that has been issued is "show 
> > locale"? 
> 
> Puzzling indeed.  With the help of many trace statements, I find that
> the locale is loaded during the first call to readline_ipc() in rlgets(),
> which is itself called from gp_get_string()...

Nice detective work!

> > 3) Anyway, by the time you plot a graph using cairo the LC_CTYPE 
> > setting has reverted to "C".  I've verified that by sticking a 
> > print before the g_get_charset() invocation:
> 
> I can't reproduce that. Once the locale gets set, it sticks.  
> As you would expect.

Yup, I was wrong.  The active factor was interactive vs 
non-interactive, not anything that happened in between "show 
locale" and gp_cairo calling g_get_charset.

> I am thinking that regardless of any possible bugs in the cairo 
> processing, we should be consistent and always call 
> setlocale(LC_CTYPE,"").

That makes sense to me: maybe in init_locale?

Allin Cottrell