RECC_ALNUM       1560 src/regex-emacs.c     if (!memcmp (beg, "alnum", 5))     return RECC_ALNUM;
RECC_ALNUM       1596 src/regex-emacs.c     case RECC_ALNUM: return ISALNUM (ch) != 0;
RECC_ALNUM       1629 src/regex-emacs.c     case RECC_ALNUM: return BIT_ALNUM;