Rollup merge of rust-lang#56433 - yui-knk:update_comment_of_parse_visibility, r=petrochenkov

Add description about `crate` for parse_visibility's comment

This rule was introduced by rust-lang#45401.

Author: kennytm

src/libsyntax/parse/parser.rs

@@ -6280,9 +6280,10 @@ impl<'a> Parser<'a> {
         self.parse_single_struct_field(lo, vis, attrs)
     }
 
-    /// Parse `pub`, `pub(crate)` and `pub(in path)` plus shortcuts `pub(self)` for `pub(in self)`
-    /// and `pub(super)` for `pub(in super)`.  If the following element can't be a tuple (i.e. it's
-    /// a function definition, it's not a tuple struct field) and the contents within the parens
+    /// Parse `pub`, `pub(crate)` and `pub(in path)` plus shortcuts `crate` for `pub(crate)`,
+    /// `pub(self)` for `pub(in self)` and `pub(super)` for `pub(in super)`.
+    /// If the following element can't be a tuple (i.e. it's a function definition,
+    /// it's not a tuple struct field) and the contents within the parens
     /// isn't valid, emit a proper diagnostic.
     pub fn parse_visibility(&mut self, can_take_tuple: bool) -> PResult<'a, Visibility> {
         maybe_whole!(self, NtVis, |x| x);