Constant encoding::all::whatwg::X_USER_DEFINED

pub const X_USER_DEFINED: &'static SingleByteEncoding = &codec::singlebyte::SingleByteEncoding{name: "pua-mapped-binary",
                                       whatwg_name: Some("x-user-defined"),
                                       index_forward:
                                           codec::whatwg::x_user_defined::forward,
                                       index_backward:
                                           codec::whatwg::x_user_defined::backward,}