error[E0658]: non-ident macro paths are experimental (see issue #35896)
  --> $DIR/macro-with-seps-err-msg.rs:14:5
   |
LL |     globnar::brotz!(); //~ ERROR non-ident macro paths are experimental
   |     ^^^^^^^^^^^^^^
   |
   = help: add #![feature(use_extern_macros)] to the crate attributes to enable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.