On Sep 28, 2011, at 3:21 AM, Davide Rambaldi wrote:

Hi, in Lion 10.7 seems there is no way to resize the preference panel, that is a problem for the Advanced --> Shell Variables TAB (I have a very long PATH)….

This has never been resizable, the simplest way to edit it would be to copy the text into a window for editing or to use Edit in TextMate to do the same.