Tue, 18 Oct 2005 21:11:24 -0700 allow empty values for url so we can have /?tip
Benoit Boissinot <benoit.boissinot@ens-lyon.org> [Tue, 18 Oct 2005 21:11:24 -0700] rev 1407
allow empty values for url so we can have /?tip
(0) -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip