Not so much "printer friendly" but a "text area" box for display of code, so you can cut/paste. The problem with "printer friendly" is the stuff you are probably trying to look at -- source code -- will be wider than the page, and either get arbitrarily wrapped or cut off.
If you could just highlight/cut/paste the code into a new window, without losing all the formatting (line feeds/cr) would be really useful! That way you don't introduce typos and other problems.
I'd vote for that! :)
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