gnus-put-text-property-excluding-characters-with-faces
gnus-put-text-property-excluding-characters-with-faces is a compiled Lisp function in `gnus-util.el
'.
(gnus-put-text-property-excluding-characters-with-faces BEG END PROP VAL)
The same as `put-text-property', except where `gnus-face' is set.
If so, and PROP is `face', set the second element of its value to VAL.
Otherwise, do nothing.