Fri, 17 Sep 2010 15:51:11 +0200 wenzelm eliminated markup "location" in favour of more explicit "no_report", which is actually deleted from messages;
Thu, 16 Sep 2010 15:37:12 +0200 wenzelm Isar "default" step needs to fail for solved problems, for clear distinction of '.' and '..' for example -- amending lapse introduced in 9de4d64eee3b (April 2004);
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