Mon, 25 Jul 2011 15:40:12 +0000 urbanc added a paper about PEG-parsing and left recursion
Mon, 25 Jul 2011 13:33:38 +0000 urbanc made the theories compatible with the existing developments in the AFP; old theories are in the directory Attic
Fri, 03 Jun 2011 13:59:21 +0000 zhang added boolean grammar
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