Tue, 20 Jul 2010 21:57:26 +0200 wenzelm warning in proper transaction context;
Tue, 20 Jul 2010 21:49:39 +0200 wenzelm SML/NJ: refrain from modifying toplevel pp for type string -- unclear if it could work here;
Tue, 20 Jul 2010 21:07:23 +0200 wenzelm avoid duplicate printing of 'theory' state (cf. 173974e07dea);
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