Fri, 26 Jun 2015 11:44:22 +0200 wenzelm more symbols;
Fri, 26 Jun 2015 11:07:04 +0200 wenzelm proper spacing, as for other syntax for these symbols;
Fri, 26 Jun 2015 10:20:33 +0200 wenzelm tuned whitespace;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip