It was made to cope with encoding such as an Asian bloc in 7.2Beta2.
Added ServerEncoding
Korean (JOHAB), Thai (WIN874),
Vietnamese (TCVN), Arabic (WIN1256)
Added ClientEncoding
Simplified Chinese (GBK), Korean (UHC)
http://www.sankyo-unyu.co.jp/Pool/postgresql-7.2b2.newencoding.diff.tar.gz
(608K)
Eiji Tokuya