From c0bb6d9cef66d132ba33ff4a62eda3a7038b75d0 Mon Sep 17 00:00:00 2001
From: Andreas Heiduk <asheiduk@gmail.com>
Date: Tue, 25 Jul 2017 22:53:15 +0200
Subject: doc: add missing values "none" and "default" for
 diff.wsErrorHighlight

The values have eluded documentation so far. While at it streamline
the wording by grouping relevant parts together.

Signed-off-by: Andreas Heiduk <asheiduk@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/diff-config.txt b/Documentation/diff-config.txt
index cbce8ec..5ca942a 100644
--- a/Documentation/diff-config.txt
+++ b/Documentation/diff-config.txt
@@ -200,7 +200,10 @@ diff.algorithm::
 +
 
 diff.wsErrorHighlight::
-	A comma separated list of `old`, `new`, `context`, that
-	specifies how whitespace errors on lines are highlighted
-	with `color.diff.whitespace`.  Can be overridden by the
-	command line option `--ws-error-highlight=<kind>`
+	Highlight whitespace errors in the `context`, `old` or `new`
+	lines of the diff.  Multiple values are separated by comma,
+	`none` resets previous values, `default` reset the list to
+	`new` and `all` is a shorthand for `old,new,context`.  The
+	whitespace errors are colored with `color.diff.whitespace`.
+	The command line option `--ws-error-highlight=<kind>`
+	overrides this setting.
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index d91ddbd..5cc7c7e 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -301,15 +301,14 @@ ifndef::git-format-patch[]
 	with --exit-code.
 
 --ws-error-highlight=<kind>::
-	Highlight whitespace errors on lines specified by <kind>
-	in the color specified by `color.diff.whitespace`.  <kind>
-	is a comma separated list of `old`, `new`, `context`.  When
-	this option is not given, only whitespace errors in `new`
-	lines are highlighted.  E.g. `--ws-error-highlight=new,old`
-	highlights whitespace errors on both deleted and added lines.
-	`all` can be used as a short-hand for `old,new,context`.
-	The `diff.wsErrorHighlight` configuration variable can be
-	used to specify the default behaviour.
+	Highlight whitespace errors in the `context`, `old` or `new`
+	lines of the diff.  Multiple values are separated by comma,
+	`none` resets previous values, `default` reset the list to
+	`new` and `all` is a shorthand for `old,new,context`.  When
+	this option is not given, and the configuration variable
+	`diff.wsErrorHighlight` is not set, only whitespace errors in
+	`new` lines are highlighted. The whitespace errors are colored
+	whith `color.diff.whitespace`.
 
 endif::git-format-patch[]
 
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