face-remap-reset-base
face-remap-reset-base is an autoloaded compiled Lisp function in `face-remap.el
'.
(face-remap-reset-base FACE)
Set the base remapping of FACE to the normal definition of FACE.
This causes the remappings specified by `face-remap-add-relative'
to apply on top of the normal definition of FACE.