merlin 89
solaris 9 b53
gb18030 locale

There have two unicode codepoint's reverse convert error:

1. \uA000, which should map to gb18030's 0x82359833, but through the native2ascii it have been map to 0x82359834, which fall in chinese minority yi's range.

2. \uFFE0, which should map to gb18030's 0xA1E9 which fall in gb18030's double bytes 1 zone, but the converter map it to 0x8431a234.