utf8_cstrwidth
width = utf8_cstrwidth(key_string_lookup_key(l[i]->key, 0));
width = utf8_cstrwidth(l[i]->tablename);
width = utf8_cstrwidth(pr->complete_display);
width = utf8_cstrwidth(pr->complete_display);
end = start + utf8_cstrwidth(pr->complete_list[i]);
n = utf8_cstrwidth(s);
n = utf8_cstrwidth(s);