Accept proc_macro in addition to proc-macro
Accept proc_macro in addition to proc-macro

More historical behavior...

durka/cargo,rustyhorde/cargo,vojtechkral/cargo,vojtechkral/cargo,vojtechkral/cargo,tsurai/cargo,tsurai/cargo,achanda/cargo,rustyhorde/cargo,tsurai/cargo,vojtechkral/cargo,durka/cargo,tshepang/cargo,eminence/cargo,achanda/cargo,eminence/cargo,eminence/cargo,nipunn1313/cargo,tsurai/cargo,nipunn1313/cargo,durka/cargo,tshepang/cargo,achanda/cargo,nipunn1313/cargo,tsurai/cargo,achanda/cargo,rustyhorde/cargo,rust-lang/cargo,rust-lang/cargo,nipunn1313/cargo,rustyhorde/cargo,rust-lang/cargo,durka/cargo,tshepang/cargo,tshepang/cargo,eminence/cargo,rust-lang/cargo