Mon, 30 Aug 2010 10:36:55 +0200 wenzelm Document_View.text_area_extension: do not insist in crashing if (weak) assertion is violated;
Sun, 29 Aug 2010 22:47:36 +0200 wenzelm Isabelle/jEdit property for global tooltip dismiss delay;
Sun, 29 Aug 2010 21:21:37 +0200 wenzelm External_Hyperlink: proper error dialog;
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