https://bugs.winehq.org/show_bug.cgi?id=39297
Bug ID: 39297 Summary: kernel32.IsValidCodePage and friends don't support code page 708. Product: Wine Version: unspecified Hardware: x86 OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: kernel32 Assignee: wine-bugs@winehq.org Reporter: htl10@users.sourceforge.net Distribution: ---
Microsoft's FontValidator (https://www.microsoft.com/typography/FontValidator.mspx) when processing certain fonts, try to access code page 708, which is not available under wine.
FYI, mono has support for code page 708 - c.f. mcs/class/I18N/Rare/CP708.cs .