Both halves of the HTMLDoc to JSON doc converter!

tools/html-json-doc/test/test_data/jsonToHtml/TestHtmlInput2.dart

+/**
+ * This is a library level dartdoc comment.
+ * This should be ignored.
+ */
+library testInput2;
+
+/// @docsEditable
+class InputTestCase1 {
+
+}
+
+/// @docsEditable
+class InputTestCase2 extends InputTestCase1 {
+
+}
+
+/// @docsEditable
+class InputTestCase3 extends InputTestCase2 {
+
+}
+
+/*
+ * This is not a dartdoc comment and should not be picked up.
+ * The output of this comment should be nothing.
+ */
+/// @docsEditable
+class InputTestCase4 {
+
+}
+
+/**
+ * This multi-line dartdoc comment doesn't have the /// @docsEditable stuff.
+ * This comment should not show up in the JSON.
+ * Note that the /// @docsEditable in this line and the one above are ignored.
+ */
+class InputTestCase5 {
+
+}
+
+/// This is a single line dartdoc comment that is ignored.
+class InputTestCase6 {
+
+}
+
+/// This is a multi-line dartdoc comment that is ignored.
+/// It is made of multiple single line dartdoc comments.
+class InputTestCase7 {
+
+  /// @docsEditable
+  var InputTestCase8;
+
+  /// @docsEditable
+  var InputTestCase9;
+
+  /// @docsEditable
+  var InputTestCase10;
+
+  /**
+   * This multi-line comment on a member is ignored.
+   */
+  var InputTestCase11;
+
+  /// This single line dartdoc comment on a member is ignored.
+  var InputTestCase12;
+}