-> Box<base::MacResult+'cx> {
cx.span_warn(sp, "`bytes!` is deprecated, use `b\"foo\"` literals instead");
cx.parse_sess.span_diagnostic.span_note(sp,
- "see http://doc.rust-lang.org/rust.html#byte-and-byte-string-literals \
+ "see http://doc.rust-lang.org/reference.html#byte-and-byte-string-literals \
for documentation");
cx.parse_sess.span_diagnostic.span_note(sp,
"see https://github.com/rust-lang/rust/blob/master/src/etc/2014-06-rewrite-bytes-macros.py \