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The Pattern.MatchType seems to be very SPI-like, not useful for user of the API. That is why it shall be replaced by something more userfriendly. Either Patterns.match (...) or by TokenId.match (...) as suggested in my email on nbdev: http://www.netbeans.org/servlets/ReadMsg?msgId=297347&listName=nbdev
Pattern class was replaced by TokenTextMatcher interface and the Pattern class was removed.
When the lexer module will appear on autoupdate alpha?
The only thing currently missing are the automated tests. I'm working on that.