Antonio Scuri <antonio.sc...@gmail.com>于2018年7月18日周三 下午6:15写道:

>   Hi Wu,
>
>   Now I'm closer to understand what's going on. But I still need to dig
> deeper.
>
>   The files you sent are not in UTF-8, right? You did not converted to
> UTF-8, you just converted the representation from ANSI to hexadecimal.
> (ignoring the comments in the files)
>

Yes. And I convert Latin characters in comments to UTF-8.


>
>   Although being harmless, it turns maintenance of these strings more
> difficult. I wouldn't like that.
>
>   Reading the documentation in the Microsoft link you sent, another
> possibility is to write in the beginning of the file:
>
> #ifdef _MSC_VER
> #pragma setlocale(“.1252”)
> #endif
>
>   At least for Visual C++.
>
>   This solves the problem for you?
>
>
I'm working on a cross-platform project, msvc 's problem is a part of it,
and I can't compile it on mingw/gcc :( and pragma has some compatibility
problems (between different msvc versions).

I would like to see change iup_str.c first, because I saw it already use
some code point numbers instead of Latin characters like

mm(129)=249; mm(141)=250; mm(143)=251; mm(144)=252; mm(157)=253;
mm(160)=254; mm(173)=255;

Why not do it to other none-portable  characters ? This map (mm) seems not
maintain by hand.

For iupmatex_units.c , I agree it turns maintenance more difficult. I
suggest using a macro to improve it.

/* MU is 'µ' */
#define MU_LATIN '\xB5'
/* DEGREE is '°' */
#define DEGREE_LATIN '\xB0'
#define DEGREE_UTF8 "\xC2\xBA"

{"microsecond", MU_LATIN  "s", 1.0e-6, "\xC2\xB5s"}};

{"degree Celsius"   , DEGREE_LATIN  "C" , 1,     DEGREE_UTF8  "C"},
{"degree Fahrenheit", DEGREE_LATIN  "F" , 5./9., DEGREE_UTF8  "F"},

...
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