Use `define-coding-system-alias' instead of `copy-coding-system'.

Use `define-coding-system-alias' instead of `copy-coding-system'.

Register `chinese-gb-environment-setup-function' as a `setup-function'
of "Chinese-GB" environment.

Register input-method key in language-info-alist.

1998-10-26  Kenichi Handa <handa@etl.go.jp>

	* language/chinese.el (pre-write-encode-hz): Cancel previous
	change, use generate-new-buffer instead of get-buffer-create.

1998-01-21  Kenichi Handa  <handa@etl.go.jp>

	* language/chinese.el: Remove setting up of
	describe-chinese-environment-map and
	setup-chinese-environment-map.  Exclude them in args of calls to
	set-language-info-alist.  Register coding-priority key in
	language-info-alist.

1997-10-21  Kenichi Handa  <handa@etl.go.jp>

	* language/chinese.el
	(post-read-decode-hz): Return the result of decode-hz-region.
	(pre-write-encode-hz): Do not change the value of
	last-coding-system.