(chise-turtle-feature-domains): Moved to chiset-common.el.
(charset-code-point-format-spec): Ditto.
(chise-turtle-uri-decode-feature-name): Ditto.
(chise-turtle-uri-encode-ccs-name): Ditto.
(chise-turtle-format-ccs-code-point): Ditto.
(chise-turtle-encode-char): Ditto.