ISUPPER 1606 src/regex-emacs.c case RECC_UPPER: return ISUPPER (ch) != 0; ISUPPER 3626 src/regex-emacs.c (ISUPPER (corig) || (!NILP (canon_table) && ISLOWER (corig)))) || ISUPPER 3628 src/regex-emacs.c (ISLOWER (corig) || (!NILP (canon_table) && ISUPPER (corig)))) || ISUPPER 6492 test/manual/etags/c-src/etags.c if (fn[0] != '\0' && fn[1] == ':' && ISUPPER (fn[0]))