[Bug 43557] New: Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

Bug ID: 43557
           Summary: Ukrainian I/i letter support for OEM console
                    applications using cp866.
           Product: Wine
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winelib
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: Other

Created attachment 58962
  --> https://bugs.winehq.org/attachment.cgi?id=58962
patch for c_866.c adding ukrainian I/i support

Ukrainian I/i letter support for OEM console applications using cp866.

There is well-known Windows problem with Ukrainian letters 'I' and 'i'. They
are displayed as question mark ('?') in console applications. But the most
annoying thing is that these files cannot be copied with console File Managers,
like Far. Proposed patch fixes it.

OEM cp966 characters 0xf6 (I ukr) and 0xf7 (i ukr) should be mapped to unicode
0x0406 and 0x0456

Since Wine uses statically compited NLS translation, it is not possible to just
fix NLS file like under Windows (http://alter.org.ua/en/soft/win/cp866u/)

[Bug 43557] Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

--- Comment #1 from Nikolay Sivov  ---
I don't think I follow. Unicode data file has this for CP866:

---
0xf6    0x040e    #CYRILLIC CAPITAL LETTER SHORT U
0xf7    0x045e    #CYRILLIC SMALL LETTER SHORT U
---

that's what we use when generating codepage tables.

If you mean that Windows is using different mappings, then make_unicode should
be patched. If you mean that Windows does maps to SHORT U too, then I don't see
a problem - you can't expect Wine to match Windows installation with altered
nls data files.

[Bug 43557] Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

--- Comment #2 from Alter  ---
In practive, there are standard CP866 with Short-U on f6/f7 and CP866ukr with
Cyrilic I/i on the same places used be several non-unicode software with
Ukrainian localization.
Maybe it worth adding other NLS codepage (e.g. 10866) for proper localization
of such software.
866ukr is mentioned in
https://uk.wikipedia.org/wiki/CP866#.D0.92.D0.B0.D1.80.D1.96.D0.B0.D0.BD.D1....
(unfortunately, english version is not full)

Another possible solution is translation of Unicode Ukrainian I/i into English
I/i

[Bug 43557] Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

--- Comment #3 from Nikolay Sivov  ---
This wiki page talks about patching Windows nls data to remap from SHORT U I/i,
mentioning that Windows does not support such modified codepage either (called
866ukr in this article), so doesn't Wine.

[Bug 43557] Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

--- Comment #4 from Alter  ---
So, I propose to add compatibility option. With special built-in codepage or
with loadable custom nls.

[Bug 43557] Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

Matteo Bruni  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement
          Component|winelib                     |-unknown

--- Comment #5 from Matteo Bruni  ---
(In reply to Alter from comment #4)
> So, I propose to add compatibility option. With special built-in codepage or
> with loadable custom nls.

I think that might be a valid enhancement request. Not sure you'll find anyone
interested in implementing it any time soon though...

[Bug 43557] Ukrainian I/ i letter support for OEM console applications using cp866.

https://bugs.winehq.org/show_bug.cgi?id=43557

--- Comment #6 from Alter  ---
Created attachment 63842
  --> https://bugs.winehq.org/attachment.cgi?id=63842
Add support for ukrainian cp866 (cp866ukr) to Wine (as codepage 22866)

added new codepage 22866 (like koi8r, koi8u) with 866ukr OEM-Unicode
translation

[Bug 43557] Ukrainian I/i letter support for OEM console applications using cp866.

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=43557

Julius Schwartzenberg  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |julius.schwartzenberg@gmail
                   |                            |.com

--- Comment #7 from Julius Schwartzenberg  ---
It seems good to investigate this more. From what I understand there was a more
or less popular hack to patch an existing codepage intended for Russian so that
it would fit Ukrainian? Or the different variants of CP866 were not always
fully distinguished? At least when it concerns І and і? What about other
letters specific to Ukrainian such as Ї and Ґ?

Are there any example programs/archives that could help to show this issue? I
presume any modern program would rely on Unicode, so this would affect older
software?

Maybe you could provide a reproduction path?

[Bug 43557] Ukrainian I/i letter support for OEM console applications using cp866.

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=43557

--- Comment #8 from Nikolay Sivov  ---
Current Wine versions are using compatible NLS files, so potentially workaround
from description that installs modified c_866.nls should work?