BUG #2213: lack of codepage Windows CP1257

The following bug has been logged online:

Bug reference:      2213
Logged by:          Ansis
Email address:      ataols@latnet.lv
PostgreSQL version: 8.1
Operating system:   FreeBSD
Description:        lack of codepage Windows CP1257
Details:

It's not exactly a bug, but a really big minus, at least for Latvians.
Postgre supports ISO-8859-4, which is an official standart, but is not used
nowhere. The standart de facto is win1257 codepage, but it is not supported,
so we need to convert on client side manually from ISO-8859-4 to win1257.
Cuold you include the win1257 codepage in the future versions?

P.S. BTW, win1250,1251,1252,1256,1258 are supported. Why the 1257 is not?