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> You are right, it can't. The "*w" was dropped because it was quite
> arbitrary in its definition of "word", and more often than not that
> definition was not what we wanted. But we can put it back, if many people
> miss it.

Please don't put it back. It was deceptive, as you said. It's a pity to add
*u, really; I can't think of many applications where it's not better either
to read *a or *l and then do string processing on the results.

> > You say that 'in' is a new keyword in Lua 4.1, but it was listed as keyword
> > in the Lua 4.0 manual. Perhaps it wasn't enforced?
> Exactly.

It would be worth clarifying this; I've already been round this loop.

-- | computation, n.  automated pedantry