(compile_range): Unused function deleted.

(compile_range): Unused function deleted.
(regex_compile): Special handling for range \177-\377.
(regex_compile): Cast args to TRANSLATE to unsigned char.
(re_search_2): Fix forward scan handling multibyte.
Recognize that nonascii characters are not in the fastmap.
Handle fetching multibyte characters for backward scan,
(re_match_2_internal): Handle multibyte and translation
in exactn and anychar.
(bcmp_translate): Handle multibyte chars for translation.

(TRANSLATE): Don't cast to  unsigned char.

(PATFETCH): Use RE_TRANSLATE to translate.