regent: More useful error when arglen doesn't match.
regent: More useful error when arglen doesn't match.

StanfordLegion/legion,StanfordLegion/legion,chuckatkins/legion,StanfordLegion/legion,chuckatkins/legion,chuckatkins/legion,StanfordLegion/legion,chuckatkins/legion,noahdesu/legion,StanfordLegion/legion,noahdesu/legion,chuckatkins/legion,sdalton1/legion,noahdesu/legion,chuckatkins/legion,chuckatkins/legion,StanfordLegion/legion,sdalton1/legion,sdalton1/legion,sdalton1/legion,StanfordLegion/legion,noahdesu/legion,noahdesu/legion,StanfordLegion/legion,sdalton1/legion,sdalton1/legion