Fixed String#grapheme_clusters with wide encodings
string.c (get_reg_grapheme_cluster): make regexp from properly encoded sources fro wide-char encodings. [Bug #15965]
regparse.c (node_extended_grapheme_cluster): suppress false duplicated range warning for the time being.
Fixed String#grapheme_clusters with wide encodings
string.c (get_reg_grapheme_cluster): make regexp from properly
encoded sources fro wide-char encodings. [Bug #15965]
regparse.c (node_extended_grapheme_cluster): suppress false
duplicated range warning for the time being.