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["Garth N. Wells" <gnw20@xxxxxxxxx>]

I know that we discussed const and mesh iterators a while ago, but can 
someone remind me why I can't do

  void myfunction(const Cell& cell) const
  {
      for (VertexIterator vertex(cell); !vert.end(); ++vert)
      {
	 . . . .
      }
  }

but have to do

  void myfunction(const Cell& cell) const
  {
      for (VertexIterator vertex(const_cast<Cell&>(cell)); !vert.end(); 

           ++vert)
      {
	 . . . .
      }
  }

instead?

Garth