> As a third possibility, could we huffman-code "do nothing" clauses by
> leaving out the appropriate argument?  That is:
>   while $x-- && some_condition($x);
That's a bit too short for my liking: it is likely to lead to the
traditional C undetectable bug when you write

while $x-- && some_condition($x);

modulo brace style, of course.

Stop the infinite loop, I want to get off!     http://surreal.istic.org/
Paraphernalia/Never hides your broken bones,/ And I don't know why you'd
want to try:/ It's plain to see you're on your own.        -- Paul Simon
  The documentation that can be written is not the true documentation.

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