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qr//xx in 5.26?
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From:
Karl Williamson
Date:
January 5, 2017 22:20
Subject:
qr//xx in 5.26?
Message ID:
8c0b540e-237d-bc6e-ab99-b405aa4f8bcd@khwilliamson.com
We never have really discussed what happens when we deprecate something
in order to use the construct for something else.
After 2 deprecation cycles can we just re-use it? Or do we need 1 or 2
additional cycles where its attempted use generates a syntax error?
In particular, qr//xx has generated an error since 5.25.1. There have
been no reports of problems as a result.
Is it ok to give /xx its new meaning in 5.26? or should it generate an
error for 5.26, and we defer changing it until 5.27?
And there needs to be some policy in general for this situation. For
example, the decision might be different for the unescaped left brace
deprecation, which has caused lots of problems in 5.25.
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qr//xx in 5.26?
by Karl Williamson