CHAR_n            342 ext/pcre/pcrelib/pcre_compile.c   CHAR_X, CHAR_a, CHAR_n, CHAR_RIGHT_CURLY_BRACKET, '\0' };
CHAR_n            359 ext/pcre/pcrelib/pcre_compile.c   CHAR_X, CHAR_a, CHAR_n, CHAR_RIGHT_CURLY_BRACKET, '\0' };