## test for versioncmp versioncmp { 1.2 1.2 0; 1.1 1.2 -1; 1.1 1.0 +1; 1.0 1.a -1; 1:2.0 2:0.4 -1; 1.2 1.2~pre0 +1; 1~~ 1~~a -1; 1~~a 1~ -1; 1~ 1 -1; 1 1a -1; }