- * We look for either a (0, 3), or (3, 1) table, both of these being
- * versions of UCS-2. We only handle format 4 of this table, since
- * that seems to be the only one in use.
+ * We look for either a (0, 0), (0, 2), (0, 3), or (3, 1) table, all
+ * of these being versions of UCS-2. We ignore (0, 1), since it's
+ * Unicode 1.1 with precomposed Hangul syllables. We only handle
+ * format 4 of this table, since that seems to be the only one in use.