Andrew's git / gitweb.git / contrib/colordiff/README
?
contrib / colordiff / READMEon commit git-diff A...B to (usually) mean "git-diff `git-merge-base A B` B" (9919f41)
   1This is "colordiff" (http://colordiff.sourceforge.net/) by Dave
   2Ewart <davee@sungate.co.uk>, modified specifically for git.