Prevent double reporting on hex, strings, and multiline comments.

tests/language/bad_raw_string_negative_test.dart

Index: tests/language/bad_raw_string_negative_test.dart
diff --git a/tests/language/bad_raw_string_negative_test.dart b/tests/language/bad_raw_string_negative_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..93b4c644286a9dc1940277c3dc5df0dcad8ebc10
--- /dev/null
+++ b/tests/language/bad_raw_string_negative_test.dart
@@ -0,0 +1,4 @@
+main() {

[ahe, 2014/08/19 09:18:33]

Please add a copyright notice:

// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

Also, a small comment describing the intent of the test.

[srawlins, 2014/08/19 21:08:39]

Done.

+  print(r'
+');
+}