RECC_DIGIT       1563 src/regex-emacs.c     if (!memcmp (beg, "digit", 5))     return RECC_DIGIT;
RECC_DIGIT       1600 src/regex-emacs.c     case RECC_DIGIT: return ISDIGIT (ch) != 0;
RECC_DIGIT       1638 src/regex-emacs.c     case RECC_ASCII: case RECC_DIGIT: case RECC_XDIGIT: case RECC_CNTRL: