- Actually check the contents of the file created by bdist_dumb.
- Don’t use “RECORD” as filename for non-PEP 376 record file
- Don’t start method name with “_test”, it smells like a disabled test
  method instead of an helper method
- Fix some idioms (assertIn, addCleanup)

#670664: Fix HTMLParser to correctly handle the content of ``<script>...</script>`` and ``<style>...</style>``.

PYTHONNOUSERSITE).  (Patch by Carl Meyer)

even when reporthook is None. Patch by Jyrki Pulliainen.

(Patch by Roger Serwy)

Issue 13274:  Make the pure python code for heapq more closely match the C implementation for an undefined corner case.