Commit c6b00bfe22ebaf71ad2dc53cd74c3a192fc7a744

Jim Meyering 1996-12-18T03:30:20

(ISDIGIT): Replace with smaller, faster edition that yields nonzero only on ASCII digits. (ISDIGIT_LOCALE): New macro, with same meaning that ISDIGIT used to have. From Paul Eggert.