It seems that the main GNU download site has issues in some places
outside the U.S., so we'll use the provided "ftpmirror.gnu.org" to pick
a nearby mirror.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
The program wdiff is a front end to diff for comparing files on a word
per word basis. A word is anything between whitespace. This is useful
for comparing two texts in which a few words have been changed and for
which paragraphs have been refilled.
