linux-kernel - [PATCH 05/12] media: docs: fix PDF build with Sphinx 1.4

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Date:   Sat,  2 Sep 2017 23:34:57 -0300
From:   Mauro Carvalho Chehab <mchehab@...pensource.com>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab@...pensource.com>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: [PATCH 05/12] media: docs: fix PDF build with Sphinx 1.4

changeset 70b074df4ed1 ("media: fix pdf build with Spinx 1.6") caused
a regression at Sphinx 1.4 PDF build: although it produces a full
document in batch mode, it returns errors on interactive mode:

	[63]
	Runaway argument?
	{\relax
	! Paragraph ended before \multicolumn was complete.
	<to be read again>
	                   \par
	l.7703 \hline\end{tabulary}

The error seems to be due to some bug at Sphinx PDF output:
when multicolumns is used, it doesn't accept an empty string.

Just removing the :cpan:`1` and replacing by two empty
columns fix the issue.

Fixes: 70b074df4ed1 ("media: fix pdf build with Spinx 1.6")

Signed-off-by: Mauro Carvalho Chehab <mchehab@...pensource.com>
---
 Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst | 6 ++++--
 Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst | 3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
index bb85abcfceb5..4938d9655a41 100644
--- a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
+++ b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
@@ -35,7 +35,8 @@ next to each other in memory.
       - :cspan:`7` Byte 1
       - :cspan:`7` Byte 2
       - :cspan:`7` Byte 3
-    * - :cspan:`1`
+    * -
+      -
       - 7
       - 6
       - 5
@@ -665,7 +666,8 @@ either the corresponding ARGB or XRGB format, depending on the driver.
       - :cspan:`7` Byte 2
 
       - :cspan:`7` Byte 3
-    * - :cspan:`1`
+    * -
+      -
       - 7
       - 6
       - 5
diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst b/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst
index d6a6e890f5a9..d7644b411ccc 100644
--- a/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst
+++ b/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst
@@ -37,7 +37,8 @@ component of each pixel in one 16 or 32 bit word.
       - :cspan:`7` Byte 2
 
       - :cspan:`7` Byte 3
-    * - :cspan:`1`
+    * -
+      -
       - 7
       - 6
       - 5
-- 
2.13.5