Sat, 10 Dec 2016 17:20:39 +0100 wenzelm clarified JSON operations (see isabelle_vscode/a7931dc2a1ab);
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip