[m-rev.] diff: exploit the new capability of switch detection

[Zoltan Somogyi]

On 20-Sep-2005, Mark Brown <mark at cs.mu.OZ.AU> wrote:
> time.  I don't know if we have such users, but if we did then we would
> probably lose them quickly if we too often make changes that break forwards
> compatibility.

My change doesn't break forward compatibility for anyone who doesn't work
on the code of the compiler, and anyone in that boat is a developer who
should be able to take care of him/herself.

> As a basic courtesy to users present or future who want to make use of the
> cutting edge compiler, I think we should set in our procedures a minimum
> amount of time after introducing a new language feature before it can be
> used, even at some inconvenience to ourselves.  At minimum one week, but a
> month would be better.

Well, (a) the feature was available for *two* weeks before I committed a diff
that used it, and (b) we have definitely had fewer than one such change per
month on average for as long as I can remember.

Zoltan.
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