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-rw-r--r--Documentation/diff-options.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 9d1586b956..743af97b06 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -469,6 +469,12 @@ ifndef::git-format-patch[]
+
Also, these upper-case letters can be downcased to exclude. E.g.
`--diff-filter=ad` excludes added and deleted paths.
++
+Note that not all diffs can feature all types. For instance, diffs
+from the index to the working tree can never have Added entries
+(because the set of paths included in the diff is limited by what is in
+the index). Similarly, copied and renamed entries cannot appear if
+detection for those types is disabled.
-S<string>::
Look for differences that change the number of occurrences of