Sat, 14 Aug 2010 23:01:53 +0200 wenzelm Snapshot.state: fall back on Command.empty_state -- looked-up command might be unavailable due to editing divergence;
Sat, 14 Aug 2010 22:45:23 +0200 wenzelm more basic Markup.parse_int/print_int (using signed_string_of_int) (ML);
Sat, 14 Aug 2010 21:25:20 +0200 wenzelm Keyword.status: always suppress position;
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