* char-ucs.h (Vcharset_ucs_bmp): New variable.
(MAKE_CHAR): Modify for `ucs-bmp'.
(breakup_char_1): Return `ucs-bmp' and code point of BMP for
* char-ucs.h (Vcharset_ucs_bmp): New variable.
(MAKE_CHAR): Modify for `ucs-bmp'.
(breakup_char_1): Return `ucs-bmp' and code point of BMP for