Re: locale-dependent number parsing?

[Mike Gran]

>From: Linas Vepstas <address@hidden>
>
>I've found the following bug/feature with guile-1.8.7 and would like to 
>solicit for comments.
>Is this a guile bug? What's the proper work-around?
>
>I've got a C program that does a setlocale (LC_ALL, "");   printf ("%f", 
>0.2000);
>
>In the de_DE.utf8 locale, the result of the print is 0,2000  using a comma, 
>since 
>the comma is the "decimal separator" in most European locales. This numeric 
>string is then passed to scm_eval_string() which pukes on it, because it does 
>not
>recognize 0,2  as a valid number.    This can be confirmed at the guile 
>command 
>line interpreter, which pukes on guile> (+ 0,2 0,2)  but works fine on (+ 0.2 
>0.2) 
>even in the de_DE locale. 
>
>Is this really the expected behaviour? Is there a suggested work-around?

I know that for the pre-2.0 Guile, I tried to punt that problem upstream to 
libunistring, but, it is not likely to be implemented in libunistring.

http://savannah.gnu.org/support/?106998

But, I never got around to working on it, myself.

-Mike