Note that unless no longer allows an else
It's probably that I'm just having another day where skull > brain, but I'm
not sure I see the benefit to the language here.

I think of "unless" as an alternate spelling for "if not", so it seems
natural that it be possible to follow it with an "else".  I'll grant that
the (common) idiomatic usage of "unless" doesn't include an "else", but that
seems more an argument not to use an "else" rather than to forbid it.  It's
a bit like saying one can "continue" after a "while" but not an "until".

Is there a parsing advantage that I've missed, or does it disambiguate some
other construct?

Charles Bailey
Lists: bailey _dot_ charles _at_ gmail _dot_ com
Other: bailey _at_ newman _dot_ upenn _dot_ edu

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