[issue30928] Copy modified blurbs to idlelib/NEWS.txt for 3.7.0

[Terry J. Reedy]

Change by Terry J. Reedy <tjreedy at udel.edu>:


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
superseder:  -> idlelib/NEWS.txt for 3.8.0 (and backports)

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30928>
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