Function: clear-face-cache
clear-face-cache is a function defined in xfaces.c.
Signature
(clear-face-cache &optional THOROUGHLY)
Documentation
Clear face caches on all frames.
Optional THOROUGHLY non-nil means try to free unused fonts, too.
Probably introduced at or before Emacs version 21.1.
Source Code
// Defined in /usr/src/emacs/src/xfaces.c
{
clear_face_cache (!NILP (thoroughly));
face_change = true;
windows_or_buffers_changed = 53;
return Qnil;
}