Mon, 29 Dec 2014 19:17:24 +0100 wenzelm tuned whitespace;
Mon, 29 Dec 2014 15:38:59 +0100 wenzelm more toplevel pretty printing;
Sun, 28 Dec 2014 22:10:09 +0100 wenzelm back to full synchronization (cf. eb3e399f5b9f);
Sun, 28 Dec 2014 22:03:11 +0100 wenzelm proper sequential version;
Sun, 28 Dec 2014 21:34:45 +0100 wenzelm eliminated Document.execution frontier (again, see 627fb639a2d9): just run into older execution, potentially stalling worker thread, but without global delay due to long-running tasks (notably sledgehammer);
Sun, 28 Dec 2014 12:37:03 +0100 wenzelm modernized historic example;
Sun, 28 Dec 2014 12:18:01 +0100 wenzelm more thorough Lazy.is_finished;
Sun, 28 Dec 2014 15:42:34 +1100 kleing 3 old example lemmas by Amine listed in the top 100 theorems
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