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>

Andreas Heiduk committed Jul 25, 2017 at 22:53 UTC c0bb6d9cef66d132ba33ff4a62eda3a7038b75d0
2 files changed +15 -13
Documentation/diff-config.txt
+7 -4
@@ -200,7 +200,10 @@ diff.algorithm::
200 +
201
202 diff.wsErrorHighlight::
203 - A comma separated list of `old`, `new`, `context`, that
204 - specifies how whitespace errors on lines are highlighted
205 - with `color.diff.whitespace`. Can be overridden by the
206 - command line option `--ws-error-highlight=<kind>`
203 + Highlight whitespace errors in the `context`, `old` or `new`
204 + lines of the diff. Multiple values are separated by comma,
205 + `none` resets previous values, `default` reset the list to
206 + `new` and `all` is a shorthand for `old,new,context`. The
207 + whitespace errors are colored with `color.diff.whitespace`.
208 + The command line option `--ws-error-highlight=<kind>`
209 + overrides this setting.
Documentation/diff-options.txt
+8 -9
@@ -301,15 +301,14 @@ ifndef::git-format-patch[]
301 with --exit-code.
302
303 --ws-error-highlight=<kind>::
304 - Highlight whitespace errors on lines specified by <kind>
305 - in the color specified by `color.diff.whitespace`. <kind>
306 - is a comma separated list of `old`, `new`, `context`. When
307 - this option is not given, only whitespace errors in `new`
308 - lines are highlighted. E.g. `--ws-error-highlight=new,old`
309 - highlights whitespace errors on both deleted and added lines.
310 - `all` can be used as a short-hand for `old,new,context`.
311 - The `diff.wsErrorHighlight` configuration variable can be
312 - used to specify the default behaviour.
304 + Highlight whitespace errors in the `context`, `old` or `new`
305 + lines of the diff. Multiple values are separated by comma,
306 + `none` resets previous values, `default` reset the list to
307 + `new` and `all` is a shorthand for `old,new,context`. When
308 + this option is not given, and the configuration variable
309 + `diff.wsErrorHighlight` is not set, only whitespace errors in
310 + `new` lines are highlighted. The whitespace errors are colored
311 + whith `color.diff.whitespace`.
312
313 endif::git-format-patch[]
314