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With exists=True and no name, Font now wraps the font description as is, without creating a new named font, so that it is used without loss of precision by actual(), measure() and metrics(). Its name attribute is then the description rather than a string. Keyword options now override the corresponding settings of the given font instead of being ignored. Co-Authored-By: Claude Opus 4.8 <[email protected]>
Writing new tests
=================
Precaution
----------
New tests should always use only one Tk window at once, like all the
current tests do. This means that you have to destroy the current window
before creating another one, and clean up after the test. The motivation
behind this is that some tests may depend on having its window focused
while it is running to work properly, and it may be hard to force focus
on your window across platforms (right now only test_traversal at
test_ttk.test_widgets.NotebookTest depends on this).