Doing that makes it hard to see where the substantive change is.  Please provide a simpler patch without variable renaming.

-- 

John Cowan          http://vrici.lojban.org/~cowan        xxxxxx@ccil.org

I come from under the hill, and under the hills and over the hills my paths

led. And through the air. I am he that walks unseen.  I am the clue-finder,

the web-cutter, the stinging fly. I was chosen for the lucky number.  --Bilbo