anchor.diff:  // TOOD: [List<A>] is not formatted correctly - issue 16771
   // TODO: [listOfA] is not turned into a param reference
   // TODO(kevmoo): <a>test_lib.C</a> should be <a>root_lib.C</a> - Issues 18352
  -final _TEST_TYPEDEF_COMMENT = _TEST_TYPEDEF_PREVIEW + '\n<p>To eliminate import'
  +final _TEST_TYPEDEF_COMMENT = _TEST_TYPEDEF_PREVIEW +
  +    '\n<p>To eliminate import'
       ' warnings for <a>test_lib.A</a> and to test typedefs.</p>\n<p>It\'s '
       'important that the <a>dart:core</a>&lt;A> for param listOfA is not '
       'empty.</p>';
  -
  
positive.code: import '../lib/docgen.dart' as dg;
  
  void main() {
  
    setUp(() {
      scheduleTempDir();
    });
  
negative.code:       //
        // Validate function doc references
        //
        //var testMethod =
        //    rootLib['functions']['methods']['testMethod'] as Map<String, dynamic>;
  
        // test commented out
        // TODO: figure out why test is failing after upgrade to markdown 0.7.2
        // Expected: '<p>Processes an <a>root_lib.testMethod.input</a> of type <a>root_lib.C</a> instance for testing.</p>\n'
        //  '<p>To eliminate import warnings for <a>root_lib.A</a> and to test typedefs.</p>\n'
        //  '<p>It\'s important that the <a>dart:core</a>&lt;A> for param <a>root_lib.testMethod.listOfA</a> is not empty.</p>'
        // Actual: '<p>Processes an <a>root_lib.testMethod.input</a> of type <a>root_lib.C</a> instance for testing.</p>\n'
        //  '<p>To eliminate import warnings for <a>root_lib.A</a> and to test typedefs.</p>\n'
        //  '<p>It\'s important that the List<A> for param <a>root_lib.testMethod.listOfA</a> is not empty.</p>'
        //   Which: is different.
        // Expected: ...  that the <a>dart:co ...
        // Actual: ...  that the List<A> fo ...
        //                     ^
        // Differ at offset 210
        //
        // expect(testMethod['comment'], _TEST_METHOD_COMMENT);
  
        var classes = rootLib['classes'] as Map<String, dynamic>;
  
  