Documentation: clarify how to disable elements in core.whitespace

Noticed by Peter Valdemar Mørch.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index e7848055a90c38f48ad7180cb538d0b00e482710..798b551514a81549d1d9b31b5a8e079e521ba657 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -358,7 +358,8 @@ core.whitespace::
        A comma separated list of common whitespace problems to
        notice.  'git-diff' will use `color.diff.whitespace` to
        highlight them, and 'git-apply --whitespace=error' will
-       consider them as errors:
+       consider them as errors.  You can prefix `-` to disable
+       any of them (e.g. `-trailing-space`):
 +
 * `trailing-space` treats trailing whitespaces at the end of the line
   as an error (enabled by default).