proc-macro-hack 0.5.18

Procedural macros in expression position
Documentation 
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error: expected one of: `support_nested`, `internal_macro_calls`, `fake_call_site`
 --> $DIR/unknown-arg.rs:3:35
  |
3 | #[proc_macro_hack(fake_call_site, support_nexted)]
  |                                   ^^^^^^^^^^^^^^