BUG #2861: when backup UTF-8 database, pgdump add comments not encoded in UTF-8

The following bug has been logged online:

Bug reference: 2861
Logged by: goodsforyou
Email address: goodsforyou(at)gmail(dot)com
PostgreSQL version: 8.2.0 win32
Operating system: Windows xp sp2 Simplified Chinese Version
Description: when backup UTF-8 database,pgdump add comments not
encoded in UTF-8
Details:

When I make a backup of a UTF8 database then pg_dump add some comment to
backup file:

-- Started on 2006-12-23 11:04:38
...
...
-- Completed on 2006-12-23 11:04:40

'' means in English 'China standard
time'. Unfortunately it is encoded incorretly in GBK, not in UTF-8. It makes
following error during restore:

pg_restore: connecting to database for restore

pg_restore: [archiver (db)] Error while INITIALIZING:

pg_restore: [archiver (db)] could not execute query: ERROR: invalid byte
sequence for encoding "UTF8": 0xd6d0