Try CVS or SVN and diff - works for everyone.
Sorry, although I have such toys on my home computer
I am not allowed to install such unsupported SW
on my work computer.
Also, please do not tell me that there is C code available.
C was a proprietary language designed by AT&T in order to
help porting their OS from the proprietary PDP-11 to other
proprietary computers.
(tongue only weakly in cheek)
Y(J)S
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