On 3/14/07, Chris King <colanderman@gmail.com> wrote:
> Since the "keywords" argument is needed by the helper functions, it
> appears at the top in the let, but "input" isn't and so it was moved
> to the bottom in the fun.

Oops, on second thought, this was much more likely done to reduce
overhead when the function returned by "make_lexer keywords" is used
multiple times (which it likely will be).  But even if it weren't,
that's still the style I'd recommend :)