[issue30920] Sequence Matcher from diff lib is not implementing longest common substring problem correctly

[Terry J. Reedy]

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


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components: +Library (Lib) -Build
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30920>
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