wdiff: Configurable whitespace

[David Turner]

I needed configurable whitespace for a recent task, so I went ahead and
hacked it in.  I've attached a patch against wdiff-0.5 from ftp.gnu.org.

If I should send this elsewhere, please let me know.

-- 
-David "Novalis" Turner               Stalk Me: 617 441 0668
"Pray to know the things you know as if they were written in 
lightnings" -Lucius Shepard, _A Handbook of American Prayer_

patch
Description: Text document