diff: document diff-filter exclusion

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index f77df9806e144a2929afe8420eb988746b95acfb..073c7e58f4eb8dce2516eb236421030169704c2e 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -43,10 +43,19 @@ endif::git-format-patch[]
 
 ifndef::git-format-patch[]
 --raw::
-       Generate the raw format.
+ifndef::git-log[]
+       Generate the diff in raw format.
 ifdef::git-diff-core[]
        This is the default.
 endif::git-diff-core[]
+endif::git-log[]
+ifdef::git-log[]
+       For each commit, show a summary of changes using the raw diff
+       format. See the "RAW OUTPUT FORMAT" section of
+       linkgit:git-diff[1]. This is different from showing the log
+       itself in raw format, which you can achieve with
+       `--format=raw`.
+endif::git-log[]
 endif::git-format-patch[]
 
 ifndef::git-format-patch[]
@@ -390,6 +399,9 @@ ifndef::git-format-patch[]
        paths are selected if there is any file that matches
        other criteria in the comparison; if there is no file
        that matches other criteria, nothing is selected.
++
+Also, these upper-case letters can be downcased to exclude.  E.g.
+`--diff-filter=ad` excludes added and deleted paths.
 
 -S<string>::
        Look for differences that change the number of occurrences of
@@ -436,8 +448,8 @@ endif::git-format-patch[]
 -O<orderfile>::
        Output the patch in the order specified in the
        <orderfile>, which has one shell glob pattern per line.
-       This overrides the `diff.orderfile` configuration variable
-       (see linkgit:git-config[1]).  To cancel `diff.orderfile`,
+       This overrides the `diff.orderFile` configuration variable
+       (see linkgit:git-config[1]).  To cancel `diff.orderFile`,
        use `-O/dev/null`.
 
 ifndef::git-format-patch[]