Merge branch 'macro' into 'main'

Suppress new "unused_macro_rules" lint in one place

See merge request tpo/core/arti!544

crates/tor-netdoc/src/parse/macros.rs

@@ -1,5 +1,7 @@
 //! Declares macros to help implementing parsers.
 
+#![allow(unknown_lints)]
+
 /// Macro for declaring a keyword enumeration to help parse a document.
 ///
 /// A keyword enumeration implements the Keyword trait.
@@ -21,6 +23,7 @@
 /// assert_eq!(Location::from_str("start"), Location::START);
 /// assert_eq!(Location::from_str("stfff"), Location::UNRECOGNIZED);
 /// ```
+#[allow(unused_macro_rules)]
 macro_rules! decl_keyword {
     { $(#[$meta:meta])* $v:vis
       $name:ident { $( $($anno:ident)? $($s:literal)|+ => $i:ident),* $(,)? } } => {