Netdoc: allow doc comments and visibility modifier in decl_keyword!

tor-netdoc/src/macros.rs

@@ -20,10 +20,12 @@
 /// assert_eq!(Location::from_str("stfff"), Location::UNRECOGNIZED);
 /// ```
 macro_rules! decl_keyword {
-    { $name:ident { $( $($s:literal)|+ => $i:ident),* $(,)? } } => {
+    { $(#[$meta:meta])* $v:vis
+      $name:ident { $( $($s:literal)|+ => $i:ident),* $(,)? } } => {
         #[derive(Copy,Clone,Eq,PartialEq,Debug,std::hash::Hash)]
         #[allow(non_camel_case_types)]
-        enum $name {
+        $(#[$meta])*
+        $v enum $name {
             $( $i , )*
             UNRECOGNIZED
         }

tor-netdoc/src/routerdesc.rs

@@ -112,9 +112,9 @@ pub enum RelayPlatform {
     Other(String),
 }
 
-// RouterKW is an instance of Keyword, used to denote the different
-// Items that are recognized as appearing in a router descriptor.
 decl_keyword! {
+    /// RouterKW is an instance of Keyword, used to denote the different
+    /// Items that are recognized as appearing in a router descriptor.
     RouterKW {
         "accept" | "reject" => POLICY,
         "bandwidth" => BANDWIDTH,