@wasamasa not yet. There's a doc here with some info on how the language works:
https://wiki.foone.org/w/VGA_Flag_Language
and some example files here:
https://gist.github.com/foone/11087057c4cf49c93212045e1e7e2b44
(the jewish one is wrong: the #include should be a filename, not a flag name)