IS_NAME_CHAR
#define IS_NAME_CHAR(enc, p, n) (AS_NORMAL_ENCODING(enc)->isName##n(enc, p))
#undef IS_NAME_CHAR
# define IS_NAME_CHAR(enc, p, n) 0
# undef IS_NAME_CHAR
# define IS_NAME_CHAR(enc, p, n) 0
# undef IS_NAME_CHAR