[Bug 39297] kernel32.IsValidCodePage and friends don't support code page 708.

https://bugs.winehq.org/show_bug.cgi?id=39297

--- Comment #4 from Hin-Tak Leung  ---
The list of functions which FontValidator tries to access are:

BOOL kernel32.GetCPInfo( UINT CodePage, LPCPINFO lpCPInfo )
BOOL kernel32.IsValidCodePage( UINT CodePage )
BOOL kernel32.IsDBCSLeadByteEx( UINT CodePage, BYTE TestChar )
int  kernel32.MultiByteToWideChar( UINT CodePage,
                                   DWORD  dwFlags,
                                   LPCSTR lpMultiByteStr,
                                   int    cbMultiByte,
                                   LPWSTR lpWideCharStr,
                                   int    cchWideChar )

As one can see, all of them contains a codepage argument.

For most (all?) codepages, these eventually traces to one of
wine/libs/wine/c_*.c .

for example, for code page 950 (traditional chinese), there is a file
wine/libs/wine/c_950.c .

Whereas c_950.c and friends are derived from public sources on www.unicode.org,
I cannot (yet) find an authoritative source of what code page 708 is, although
both
glibc and mono claims to supports this code page in their internationalization
support.