INVALID_CODE_FF   291 enc/utf_8.c          return ((c == 0xfe) ? INVALID_CODE_FE : INVALID_CODE_FF);
INVALID_CODE_FF   307 enc/utf_8.c      else if (code == INVALID_CODE_FF) return 1;
INVALID_CODE_FF   343 enc/utf_8.c        else if (code == INVALID_CODE_FF) {