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steve donovan <> writes:

> One model is filter chaining, where each filter is invoked in turn
> upon the token stream, potentially each modifying it. (Of course, one
> should not assume a particular filter ordering)
> A useful design principle for such filters is then that they should
> always return syntactically valid Lua token streams, so that they can
> be combined safely.

I was of the impression that the point of token filters was that they
were to convert something _not_ being syntactically valid Lua into Lua.

David Kastrup