Simon Ruderich [off-list ref] writes:
quoted hunk
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 104579d..cd35ec7 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -24,6 +24,10 @@ ifndef::git-format-patch[]
--patch::
Generate patch (see section on generating patches).
{git-diff? This is the default.}
+ifdef::git-log[]
+ Changes introduced in merge commits are not displayed. Use `-c`,
+ `--cc` or `-m` to include them.
+endif::git-log[]
It probably is a better change to drop "Use `-c`..." and refer to
the "Diff formatting" section.
And then add '-p' and the fact that by default it will not show
pairwise diff for merge commits to the "Diff Formatting" section.
That is where -c/--cc/-m are already described.