[PATCH v18 1/3] doc: git-format-patch: describe the option --always

["徐沛文 (Aleen) via GitGitGadget" <gitgitgadget@gmail.com>]

From: =?UTF-8?q?=E5=BE=90=E6=B2=9B=E6=96=87=20=28Aleen=29?=
 <aleen42@vip.qq.com>

This commit has described how to use '--always' option in the command
'git-format-patch' to include patches for commits that emit no changes.

Signed-off-by: 徐沛文 (Aleen) <aleen42@vip.qq.com>
---
 Documentation/git-format-patch.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 113eabc107c..be797d7a28f 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -18,7 +18,7 @@ SYNOPSIS
 		   [-n | --numbered | -N | --no-numbered]
 		   [--start-number <n>] [--numbered-files]
 		   [--in-reply-to=<message id>] [--suffix=.<sfx>]
-		   [--ignore-if-in-upstream]
+		   [--ignore-if-in-upstream] [--always]
 		   [--cover-from-description=<mode>]
 		   [--rfc] [--subject-prefix=<subject prefix>]
 		   [(--reroll-count|-v) <n>]
@@ -192,6 +192,10 @@ will want to ensure that threading is disabled for `git send-email`.
 	patches being generated, and any patch that matches is
 	ignored.
 
+--always::
+	Include patches for commits that do not introduce any change,
+	which are omitted by default.
+
 --cover-from-description=<mode>::
 	Controls which parts of the cover letter will be automatically
 	populated using the branch's description.
-- 
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