Thanks for the feedback, Eli. With your help, I think this second version
is a huge improvement.

2007-01-13  Joel Brobecker  <brobecker@adacore.com>

        * source.c (_initialize_source): Improve the help text of
        the substitute-path commands.

Tested on x86-linux, no regression.
OK to commit?

Thank you,
-- 
Joel