localization of ui

[Eike Rathke]

Hi baigali,

On Thursday, 2016-10-27 15:17:19 +0800, baigali wrote:

> thank you for replying.
> yes,i followed the wiki,but the language code <mn> is Cyrillic Mongolian ,its defined in here 
> http://opengrok.libreoffice.org/xref/core/i18nlangtag/source/isolang/isolang.cxx#388
> and
> http://opengrok.libreoffice.org/xref/core/include/i18nlangtag/lang.h#300
> .
> Is is possible that vcl don't recognize traditional Mongolian?

Well, the first problem is that 'mn' is a macrolanguage code (several
individual languages), which to be exact should be specified as either
'khk' Mongolian, Halh, or 'mvf' Mongolian, Peripheral.

The second problem is that there can be mn-Cyrl and mn-Mong, but both
are actually redundant as 'khk' already implies the default Cyrillic
script and 'mvf' the default Mongolian script. However, due to legacy
reasons the language tags mn-Cyrl-MN (alias mn-MN), mn-Mong-MN and
mn-Mong-CN are used. Which should be khk-MN or khk-Cyrl-MN, khk-Mong-MN
and mvf-CN instead. You'll find comments about that in isolang.cxx but
spreaded over several entries. Just search for LANGUAGE_MONGOLIAN.

As for vcl, do a
git grep LANGUAGE_MONGOLIAN_MONGOLIAN vcl
which currently yields 2 files
vcl/source/gdi/sallayout.cxx
vcl/win/gdi/salfont.cxx

So, theoretically the Mongolian script is recognized.
But, the implications it has like vertical LTR writing direction in an
RTL alphabet likely is not supported. Is that what you mean by "not
recognized"?

  Eike

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