Tue, 11 Mar 2014 18:36:17 +0100 wenzelm more standard internal data integrity;
Tue, 11 Mar 2014 18:26:47 +0100 wenzelm tables with changes relative to some common base version -- support for efficient join/merge of big global tables with small local updates;
Tue, 11 Mar 2014 14:28:39 +0100 wenzelm tuned signature;
Tue, 11 Mar 2014 13:58:22 +0100 wenzelm tuned comment;
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