Thu, 01 Mar 2012 14:12:18 +0100 wenzelm explicitly revoke delay, to avoid spurious timer events after deactivation of related components;
Thu, 01 Mar 2012 11:28:33 +0100 wenzelm clarified document nodes (full import graph) vs. node_status (non-preloaded theories);
Wed, 29 Feb 2012 23:31:35 +0100 wenzelm more defensive node_header;
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