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loring authored
* added helper methods us in As<Type> accessors that detect would be bad casts, where either there's no cast from one type to the other or the node is uninitialized. In these cases the cast would produce undefined behavior so an exception is thrown. * fixed a bug in CurveAttributes ProcessOldVersions that the helpers detected. * fixed issues in regression tests. updates to session files used in regression tests will be pushed in a follow up commit. git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@23793 18c085ea-50e0-402c-830e-de6fd14e8384
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