Fri, 21 May 2010 18:10:19 +0200 wenzelm more robust Position.setmp_thread_data, independently of Output.debugging (essentially reverts f9ec18f7c0f6, which was motivated by clean exception_trace, but without transaction positions the Isabelle_Process protocol breaks down);
Fri, 21 May 2010 17:26:42 +0200 wenzelm refrain from forcing a hardwired SHELL value, cf. 1494ded298a6 but it becomes obsolete again in 549969a7f582 and follow-ups;
Fri, 21 May 2010 16:49:33 +0200 wenzelm bad_result: report fully explicit message;
Fri, 21 May 2010 16:40:25 +0200 wenzelm observe additional isabelle-jedit.css for component and user;
Fri, 21 May 2010 15:29:20 +0200 wenzelm added checkboxes for debug/tracing filter;
Fri, 21 May 2010 14:53:19 +0200 wenzelm more abstract view on prover output messages;
Fri, 21 May 2010 12:59:44 +0200 wenzelm added some tooltips;
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