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Re: "use legacy" vs "use feature" (was: RFC: Consolidated proposal for octals like \400 in strings.)

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From:
Rafael Garcia-Suarez
Date:
January 16, 2009 07:55
Subject:
Re: "use legacy" vs "use feature" (was: RFC: Consolidated proposal for octals like \400 in strings.)
Message ID:
b77c1dce0901160754n3a869bd9h283ce071656c1195@mail.gmail.com
2009/1/11 karl williamson <public@khwilliamson.com>:
>>
> I have been thinking about this some more, and wonder if the definition of
> "use feature" could change so that it encompasses more than just syntax, but
> other things like semantic changes we think may break existing code.  And
> that some things that this enables may change in the future to be enabled by
> default, and one has to say "no feature 'xxx'" or "no feature ':5.12' to
> keep the old behavior.
>
> Then we wouldn't need a legacy pragma, but feature would suffice for both
> sorts of things.  We could then at some point, for example, make "say"
> enabled by default.
>
> But it does mean expanding the meaning of 'feature'.  What do you think?

Nobody replied to this, so here's my thoughts... That could work, but I don't
find this pretty, and possibly confusing.
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