+ make handling of negative curve indices in ViewProviderSketch more consistent git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5347 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
+ make handling of negative curve indices in ViewProviderSketch more consistent git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5347 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d