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As per the book written by R. Ierusalimschy, allwords() function generates words which contain only letters and numbers. I'd like to modify the function so that words can be anything printable between spaces. The mod is shown below, rather more complicated. Is there a way to simplify the code?

If you're looking for all "non-spaces", why not simply use '%S+' [that's with a capital 's'] as a pattern?

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