[docs] [issue25730] invisible sidebar content with code snippets

[Terry J. Reedy]

Terry J. Reedy added the comment:

I intentionally said 'test' rather than 'unittest' or 'automated test' to allow for the possibility of a human-operated view test script posted here on the issue.  

IDLE now has a view test framework to run tests for either one or all modules with visual displays.  For all:
  python -m idlelib.idle_test.htest
This has been very useful when modifying files.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25730>
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