- pmin(1, *) in lmrob.leverages() :
   Werner found case where values where "1 + eps"
- lmrob.rweights(res, scale = 0) must have a better check for "0 residuals"


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@581 694ef91d-65df-0310-b7bb-92e67a308ead