[XeTeX] Problem deciding Family Names

[Akira Kakuto]

> XeTeX relys on the operating system facilities to locate the font file (such
> as fontconfig on Linux and w32tex, or possibly win32 EnumFontFamily APIs
> if Jonathan is going to make a native win32 port).

Now it is also possible to locate 'uninstalled fonts': e.g.,
\font\x="[AdobeMingStd-Light.otf]",
where fonts should be in Kpse searchable directory.

Best regards,
Akira