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Subject: [PATCH v4 8/9] docs: pdfdocs: Teach xeCJK about character classes of
 quotation marks
To:     Jonathan Corbet <corbet@lwn.net>
Cc:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        "Wu X.C." <bobwxc@email.cn>, SeongJae Park <sj38.park@gmail.com>,
        Hu Haowen <src.res@email.cn>, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, Akira Yokosawa <akiyks@gmail.com>
References: <39d0fb0f-b248-bca4-2dac-df69e8d697b1@gmail.com>
From:   Akira Yokosawa <akiyks@gmail.com>
Message-ID: <0da9e3c5-2716-f576-1df5-2f28ea69f0e8@gmail.com>
Date:   Mon, 9 Aug 2021 10:27:18 +0900
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Quotation marks in "KR" and "JP" variants of Noto CJK fonts are half
width.
xeCJK assumes they are full width by default and does excessive kerning
around them in Korean and Japanese translations.

Give xeCJK proper hints by the \xeCJKDeclareCharClass command.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
 Documentation/conf.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/conf.py b/Documentation/conf.py
index afa085c71781..75650f6443af 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -428,6 +428,8 @@ latex_elements['preamble']  +=3D '''
 	\\newcommand{\\kerneldocEndTC}{\\endgroup}
 	\\newcommand{\\kerneldocBeginKR}{%
 	    \\begingroup%
+	    \\xeCJKDeclareCharClass{HalfLeft}{`=E2=80=9C,`=E2=80=98}%
+	    \\xeCJKDeclareCharClass{HalfRight}{`=E2=80=9D,`=E2=80=99}%
 	    \\krmain%
 	    \\renewcommand{\\CJKrmdefault}{KRserif}%
 	    \\renewcommand{\\CJKsfdefault}{KRsans}%
@@ -437,6 +439,8 @@ latex_elements['preamble']  +=3D '''
 	\\newcommand{\\kerneldocEndKR}{\\endgroup}
 	\\newcommand{\\kerneldocBeginJP}{%
 	    \\begingroup%
+	    \\xeCJKDeclareCharClass{HalfLeft}{`=E2=80=9C,`=E2=80=98}%
+	    \\xeCJKDeclareCharClass{HalfRight}{`=E2=80=9D,`=E2=80=99}%
 	    \\jpmain%
 	    \\renewcommand{\\CJKrmdefault}{JPserif}%
 	    \\renewcommand{\\CJKsfdefault}{JPsans}%
--=20
2.17.1