Wed, 25 Aug 2010 22:37:53 +0200 wenzelm organized markup properties via apply/unapply patterns;
Wed, 25 Aug 2010 21:31:22 +0200 wenzelm added some proof state markup, notably number of subgoals (e.g. for indentation);
Wed, 25 Aug 2010 20:43:03 +0200 wenzelm ML_Context.eval: produce antiquotation environment preferably in invisible context, to avoid displaced report messages from ML_Compiler;
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