New module 'unictype/category-LC'. * lib/unictype.in.h (UC_CATEGORY_MASK_LC): New enumeration value. (UC_CATEGORY_LC): New declaration. (UC_CASED_LETTER): New macro. * lib/gen-uni-tables.c (is_category_LC): New function. (output_categories): Also handle category LC. (UC_CATEGORY_MASK_LC): New enumeration value. (general_category_byname): Also handle category LC. * lib/unictype/categ_LC.c: New file. * lib/unictype/categ_LC.h: New file, automatically generated. * lib/unictype/categ_name.c (uc_general_category_name): Also handle category LC. * lib/unictype/categ_byname.c (uc_general_category_byname): Likewise. * modules/unictype/category-LC: New file. * modules/unictype/category-all (Depends-on): Add unictype/category-LC.