See this testbot result:
https://testbot.winehq.org/JobDetails.pl?Key=124827&f101=exe32.report&am...
Source code of the test program in the tests above is attached. [font_link_reg.c](/uploads/0f18bd2ab664e5d78ee2e16ef9037e60/font_link_reg.c)
The tests show the reg key value of font link on different Windows machine,
-- v3: win32u: Add more linked fonts for Tahoma. win32u: Add font link for MS UI Gothic. win32u: Add mechanism for font specific system links.