static void FVMenuVKernByClasses(GWindow gw, struct gmenuitem *UNUSED(mi), GEvent *UNUSED(e)) {
    FontView *fv = (FontView *) GDrawGetUserData(gw);

    ShowKernClasses(fv->b.sf,NULL,fv->b.active_layer,true);
}
static void FVMenuVKernByClasses(GWindow gw, struct gmenuitem *UNUSED(mi), GEvent *UNUSED(e)) {
    FontView *fv = (FontView *) GDrawGetUserData(gw);

    ShowKernClasses(fv->b.sf,NULL,fv->b.active_layer,true);
}