(title_string_charc_dynarr): New variable; renamed from

(title_string_charc_dynarr): New variable; renamed from
`title_string_emchar_dynarr'.
(generate_title_string): Use `title_string_charc_dynarr' instead of
`title_string_emchar_dynarr'; use
`convert_charc_string_into_malloced_string' instead of
`convert_emchar_string_into_malloced_string'.
(init_frame): Use `title_string_charc_dynarr' instead of
`title_string_emchar_dynarr'.