Various cosmetic improvements

[alexreg]

Related to the larger effort of rust-lang/rust#58036.

[scampi]

Thanks! LGTM

[scampi]

There are some test failures:

Mismatch at tests/source/itemized-blocks/wrap.rs:52:
 /// All the parameters ***except for
 /// `from_theater`*** should be inserted as sent
 /// by the remote theater, i.e., as passed to
-/// [`Theater::send`] on the remote actor.
+/// [`Theater::send`] on the remote actor
 fn func1() {}
 
 /// All the parameters ***except for
test test::self_tests ... FAILED
test test::verify_check_works ... ok
test test::verify_config_test_names ... ok
test unit_tests::test_format_code_block ... ok
test unit_tests::test_format_code_block_fail ... ok
test unit_tests::test_format_snippet ... ok
test unit_tests::test_no_panic_on_format_snippet_and_format_code_block ... ok
test utils::test::test_remove_trailing_white_spaces ... ok
test utils::test::test_trim_left_preserve_layout ... ok
test test::system_tests ... FAILED
failures:
---- test::self_tests stdout ----
internal error: line formatted, but exceeded maximum width (maximum: 100 (see `max_width` option), found: 102)
  --> src/matches.rs:28
   |
28 |     /// `true` if the arm is the last one in match expression. Used to decide on whether we should add
   |                                                                                                     ^^
   note= set `error_on_unformatted = false` to suppress the warning against comments or string literals
internal error: line formatted, but exceeded maximum width (maximum: 100 (see `max_width` option), found: 144)
    --> src/comment.rs:1813
     |
1813 |     // This is probably intended to be a non-test fn, but it is not used. We should keep this around unless it helps us test stuff to remove it.
     |                                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     note= set `error_on_unformatted = false` to suppress the warning against comments or string literals
internal error: line formatted, but exceeded maximum width (maximum: 100 (see `max_width` option), found: 101)
   --> src/config/file_lines.rs:214
    |
214 |     /// Returns `true` if `self` includes all lines in all files. Otherwise runs `f` on all ranges in
    |                                                                                                     ^
    note= set `error_on_unformatted = false` to suppress the warning against comments or string literals
internal error: line formatted, but exceeded maximum width (maximum: 100 (see `max_width` option), found: 102)
  --> src/patterns.rs:22
   |
22 | /// Returns `true` if the given pattern is short. A short pattern is defined by the following grammar:
   |                                                                                                     ^^
   note= set `error_on_unformatted = false` to suppress the warning against comments or string literals
warning: rustfmt may have failed to format. See previous 4 errors.
Ran 5 self tests.
thread 'test::self_tests' panicked at 'assertion failed: `(left == right)`
  left: `1`,
 right: `0`: 1 self tests failed', src/test/mod.rs:249:5
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
---- test::system_tests stdout ----
Ran 346 system tests.
thread 'test::system_tests' panicked at 'assertion failed: `(left == right)`
  left: `1`,
 right: `0`: 1 system tests failed', src/test/mod.rs:109:5

[alexreg]

@scampi Thanks for the review. I think I've fixed them now, but we'll see soon...

[topecongiro]

Thanks!

[alexreg]

No problem. Appreciate the quick review & merge.