CHAR_u            370 ext/pcre/pcrelib/pcre_compile.c   CHAR_L, CHAR_u, CHAR_RIGHT_CURLY_BRACKET, '\0' };
CHAR_u            387 ext/pcre/pcrelib/pcre_compile.c   CHAR_L, CHAR_u, CHAR_RIGHT_CURLY_BRACKET, '\0' };
CHAR_u           1046 ext/pcre/pcrelib/pcre_compile.c     case CHAR_u: