Remove a useless rule. #performance
Optimize grammar. #performance
[auto] Merge from Praspel

    • #08ffb4f — Remove a useless rule. #performance (Ivan Enderlin, 2013-09-23)
    • #be5e54d — Optimize grammar. #performance (Ivan Enderlin, 2013-09-23)

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Merge remote branch 'library-praspel/master'