linux-kernel - [RFC PATCH v2 5/7] docs: pdfdocs: Teach xeCJK the width of quotation marks

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Date:   Mon, 19 Jul 2021 20:15:45 +0900
From:   Akira Yokosawa <akiyks@...il.com>
To:     Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Wu X.C." <bobwxc@...il.cn>, SeongJae Park <sj38.park@...il.com>
Cc:     Hu Haowen <src.res@...il.cn>,
        Shinwoo Lee <shinwoo.lee.us@...il.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Akira Yokosawa <akiyks@...il.com>
Subject: [RFC PATCH v2 5/7] docs: pdfdocs: Teach xeCJK the width of quotation
 marks

Quotation marks in "Noto Serif CJK KR" and "Not Serif CJK JP" fonts
are half width.
xeCJK assumes they are full width as in "Noto Serif CJK SC" and are
confused by the KR/JP variants.

Give xeCJK the character-class hints by the \xeCJKDeclareCharClass
command.

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

diff --git a/Documentation/conf.py b/Documentation/conf.py
index 9a237471289b..8a715765dada 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -384,6 +384,8 @@ latex_elements['preamble']  += '''
 	\\newcommand{\\kerneldocEndSC}{\\endgroup}
 	\\newcommand{\\kerneldocBeginKR}{%
 	    \\begingroup%
+	    \\xeCJKDeclareCharClass{HalfLeft}{`“,`‘}%
+	    \\xeCJKDeclareCharClass{HalfRight}{`”,`’}%
 	    \\krserif%
 	    \\renewcommand{\\CJKrmdefault}{KRserif}%
 	    \\renewcommand{\\CJKsfdefault}{KRsans}%
@@ -393,6 +395,8 @@ latex_elements['preamble']  += '''
 	\\newcommand{\\kerneldocEndKR}{\\endgroup}
 	\\newcommand{\\kerneldocBeginJP}{%
 	    \\begingroup%
+	    \\xeCJKDeclareCharClass{HalfLeft}{`“,`‘}%
+	    \\xeCJKDeclareCharClass{HalfRight}{`”,`’}%
 	    \\jpserif%
 	    \\renewcommand{\\CJKrmdefault}{JPserif}%
 	    \\renewcommand{\\CJKsfdefault}{JPsans}%
-- 
2.17.1