Tue, 28 Jul 2009 12:11:33 +0200 Christian Urban slightly changed exercises about rev_sum
Tue, 28 Jul 2009 08:53:05 +0200 Christian Urban added more to the ML-antiquotation section
Mon, 27 Jul 2009 10:37:28 +0200 Christian Urban polished the section on conversions
(0) -100 -30 -10 -3 +3 +10 +30 +100 tip