How about this: taking all the user-named symbols in the tree (field names, method names, etc) and assigning them dissimilar colours? It becomes easy to see whe

How about this: taking all the user-named symbols in the tree (field names, method names, etc) and assigning them dissimilar colours? It becomes easy to see where the variable you're looking at is being used and if you have a typo the colour won't match.