It's just so useful.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Jeff King <peff@peff.net>
A match that contains a newline is silently truncated(!) at the
newline.
+
+For example, `--word-diff-regex=.` will treat each character as a word
+and, correspondingly, show differences character by character.
++
The regex can also be set via a diff driver or configuration option, see
linkgit:gitattributes[1] or linkgit:git-config[1]. Giving it explicitly
overrides any diff driver or configuration setting. Diff drivers