- Fixed wrong media change can lead a deadlock at thread-safe configuration.
- Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE)
- Removed some code pages actually not exist on the standard systems. (_CODE_PAGE)
- Fixed errors in the case conversion teble of code page 437 and 850 (ff.c).
- Fixed errors in the case conversion teble of Unicode (cc*.c).