The first will convert a double quote character into two single quotes only if $$quote is true. From that it appears that $$quote is a flag to mark if an opening quote has been found but its partner has not. I'll go further to assume that $text is a chunk at a time, and this takes care of quotes that span chunks.

In reply to Re: logic for smart quotes - what does this code mean? by chromatic
in thread logic for smart quotes - what does this code mean? by John M. Dlugosz

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