c-clear-char-property-with-value-function
c-clear-char-property-with-value-function is a compiled Lisp function in `cc-defs.el
'.
(c-clear-char-property-with-value-function FROM TO PROPERTY VALUE)
Remove all text-properties PROPERTY from the region (FROM, TO)
which have the value VALUE, as tested by `equal'. These
properties are assumed to be over individual characters, having
been put there by c-put-char-property. POINT remains unchanged.