If I'm understanding things correctly, the lexgen egg's lex procedure is
(at least in some cases) matching based of the order of specification
(match the first possible thing), not on longest possible match. Can
this be right? The documentation says
"lex takes a pattern and a string, turns the string into a list of
streams (containing one stream), applies the pattern, and returns the
longest match."
I placed an example of what I mean at
http://paste.call-cc.org/paste?id=8196b316bf50c18bb044870f95bbbebb00e5026d
. Here, testpat1 will match "..." as one "." followed by an
untokenizable remainder, whereas testpat2 will match "..." correctly in
its entirety.
Sam Hardwick
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