goldens/simple.out

Nothing to sort:
// keep-sorted-test start
// keep-sorted-test end

Weird edge case with blank lines, but whatever:
// keep-sorted-test start


// keep-sorted-test end

Already sorted:
// keep-sorted-test start
Bar
Baz
Foo
// keep-sorted-test end

Needs sorting:
// keep-sorted-test start
Bar
Baz
Foo
// keep-sorted-test end

Maintains indent:
static class Foo {
  // keep-sorted-test start
  "Bar",
  "Baz",
  "Foo",
  // keep-sorted-test end
}

Empty line at end:
// keep-sorted-test start
Bar
Baz
Foo

// keep-sorted-test end

Multiple empty lines at end:
// keep-sorted-test start
Bar
Baz
Foo


// keep-sorted-test end

Empty lines at start (duplicate lines discarded):
// keep-sorted-test start

Bar
Baz
Foo
// keep-sorted-test end

Empty lines at both:
// keep-sorted-test start

Bar
Baz
Foo

// keep-sorted-test end

"Empty" lines that are trailing indentation:
  // keep-sorted-test start
  
  Bar
  Baz
  Foo
  
  // keep-sorted-test end

Same thing, but it's tabs.
	// keep-sorted-test start
	
	Bar
	Baz
	Foo
	
	// keep-sorted-test end

b/153572902 mdformat around lists:
<!-- keep-sorted-test start -->

 * Bar
 * Baz
 * Foo

<!-- keep-sorted-test end -->

// keep-sorted-test start newline_separated=yes
A

B

C
// keep-sorted-test end