FcStrSetDel - delete from a string set
#include <fontconfig.h> FcBool FcStrSetDel (FcStrSet *set, const FcChar8 *s);
Removes s from set, returning FcTrue if s was a member else FcFalse.
Fontconfig version 2.4.2 02 December 2006 FcStrSetDel(3)