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-rw-r--r--Documentation/user-manual.txt15
1 files changed, 11 insertions, 4 deletions
diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt
index e399685d6c..c027353337 100644
--- a/Documentation/user-manual.txt
+++ b/Documentation/user-manual.txt
@@ -658,16 +658,23 @@ gitlink:git-diff[1]:
$ git diff master..test
-------------------------------------------------
-Sometimes what you want instead is a set of patches:
+That will produce the diff between the tips of the two branches. If
+you'd prefer to find the diff from their common ancestor to test, you
+can use three dots instead of two:
+
+-------------------------------------------------
+$ git diff master...test
+-------------------------------------------------
+
+Sometimes what you want instead is a set of patches; for this you can
+use gitlink:git-format-patch[1]:
-------------------------------------------------
$ git format-patch master..test
-------------------------------------------------
will generate a file with a patch for each commit reachable from test
-but not from master. Note that if master also has commits which are
-not reachable from test, then the combined result of these patches
-will not be the same as the diff produced by the git-diff example.
+but not from master.
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