Correct tests, reveal real problem

Dehack, revert clap-rs#1856

Fix incorrect error message.

Comment out regressed logic

Fix clippy

Minor redundant logic cleanup

Fix clippy

dot fix

Clearer error processing

Acc a request

Flow reordering

Remove redundant ClapResult in some functions

Flow optimize

Integrate workflow

Branch simpification

Simplify possible subcommand

Optimize branch, more comments

Eliminate unreachable branch

comment fix

Add comments for some internal app settings

Resolve a TODO

Unused clippy allow

src/parse/parser.rs

@@ -1033,11 +1033,7 @@ impl<'help, 'app> Parser<'help, 'app> {
                 .iter()
                 .map(|x| x.to_str().expect(INVALID_UTF8))
                 .collect();
-            Err(self.did_you_mean_error(
-                arg.to_str().expect(INVALID_UTF8),
-                matcher,
-                &remaining_args,
-            ))
+            Err(self.did_you_mean_error(arg.to_str().expect(INVALID_UTF8), matcher, &remaining_args))
         }
     }