Include them as part of the normal test run (using manuel, because
plain doctest doesn't accept absolute paths).
Switch Sphinx to run them under Python 3. We can use a checker as part
of the normal test run, but not under Sphinx, so normalize the output
for Python 3.
Fixes #21
Include them as part of the normal test run (using manuel, because plain doctest doesn't accept absolute paths).
Switch Sphinx to run them under Python 3. We can use a checker as part of the normal test run, but not under Sphinx, so normalize the output for Python 3.