G'Day Nick,
even though proc-macro-rules does depend on proc_macro2, crates that use proc-macro-rules don't automatically "inherit" proc_macro2 as a dependency, and it seems to be used in the generated code.
Suggest mentioning in README.md a need to import proc_macro2.

G'Day Nick,
even though proc-macro-rules does depend on
proc_macro2, crates that use proc-macro-rules don't automatically "inherit" proc_macro2 as a dependency, and it seems to be used in the generated code.Suggest mentioning in README.md a need to import
proc_macro2.