B_NUM
if (ch == old_ch && !(char_type & B_NUM)) {
} else if (char_type & B_NUM) {
if (type != KT_LATIN || (ch_type & B_NUM) || ch < SPACE)
if (ch < 0x100 && IS_CHAR(ch, B_NUM))
#define ALPHANUM (B_ALPHA | B_NUM)
} else if (spk_chartab[*cp] & B_NUM) {