(utf-8-gb): Specify `charset-g3'.
(utf-8-ivs-gb): Likewise.
(utf-8-gb-er): Likewise.
(utf-8-ivs-gb-er): Likewise.
(utf-8-cns): Likewise.
(utf-8-ivs-cns): Likewise.
(utf-8-cns-er): Likewise.
(utf-8-ivs-cns-er): Likewise.
(utf-8-big5): Likewise.
(utf-8-ivs-big5): Likewise.
(utf-8-big5-er): Likewise.
(utf-8-ivs-big5-er): Likewise.
(utf-8-jis): Likewise.
(utf-8-ivs-jis): Likewise.
(utf-8-jis-er): Likewise.
(utf-8-ivs-jis-er): Likewise.
(utf-8-ks): Likewise.
(utf-8-ivs-ks): Likewise.
(utf-8-ks-er): Likewise.
(utf-8-ivs-ks-er): Likewise.