(ideographic-structure-member-compare-components): Renamed from

(ideographic-structure-member-compare-components): Renamed from
`ideographic-structure-member-compare-parts'.
(ideographic-structure-member): Rename argument `part' to `component'.
(ideographic-structure-repertoire-p): Likewise.
(ids-find-result-buffer): New variable.
(ids-find-format-line): New function.
(ids-find-chars-including-components): Renamed from
`ideographic-structure-search-chars'; use `ids-find-result-buffer' and
`ids-find-format-line'.
(ideographic-structure-search-chars): New obsolete alias for
`ids-find-chars-including-components'.
(ids-find-chars-covered-by-components): New command.