[issue12296] Minor clarification in devguide

[Petri Lehtinen]

Petri Lehtinen <petri at digip.org> added the comment:

New semantics may also be something else than new classes or functions. New optional function arguments exposing new functionality, for example.

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nosy: +petri.lehtinen

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12296>
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