Sun, 26 Feb 2012 18:26:26 +0100 tuned proofs;
wenzelm [Sun, 26 Feb 2012 18:26:26 +0100] rev 46685
tuned proofs;
Sun, 26 Feb 2012 18:25:28 +0100 more abstract class Document.State;
wenzelm [Sun, 26 Feb 2012 18:25:28 +0100] rev 46684
more abstract class Document.State;
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