>I've not read that George. But I would think that rewriting code that doesn't work is an excellent idea. But amending code that does work then minimum change is the best way forward (until the time comes for a rewrite of the whole thing)
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Nick,

One of his points is that by doing the re-factoring, you've made the code (working or not) more readable and easier to maintain (not to mention of greater quality). Over the long term, this will pay benefits again and again, thus off-setting the initial investment of the time it takes to do the re-factoring.