X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=Documentation%2Fdiff-options.txt;h=813a7b11b99d51d3014f854770384ed4fc247c9f;hb=8d1b9d23a04f43f45bd3b20616936fcdd3021446;hp=a8ed23e7f8e6d58bb08bd2926e5d2114524c2c0a;hpb=d64d4835b83669d5c9c8ce1989859efa803874db;p=git.git

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index a8ed23e7f..813a7b11b 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -94,8 +94,22 @@ endif::git-format-patch[]
 	Turn off colored diff, even when the configuration file
 	gives the default to color output.
 
---color-words::
-	Show colored word diff, i.e. color words which have changed.
+--color-words[=<regex>]::
+	Show colored word diff, i.e., color words which have changed.
+	By default, words are separated by whitespace.
++
+When a <regex> is specified, every non-overlapping match of the
+<regex> is considered a word.  Anything between these matches is
+considered whitespace and ignored(!) for the purposes of finding
+differences.  You may want to append `|[^[:space:]]` to your regular
+expression to make sure that it matches all non-whitespace characters.
+A match that contains a newline is silently truncated(!) at the
+newline.
++
+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
+override configuration settings.
 
 --no-renames::
 	Turn off rename detection, even when the configuration