Avoid undefined `\textepsilon', plus cosmetics.

doc/example/thesis.tex

@@ -1,5 +1,5 @@
 % Copyright (c) 2008-2009 solvethis
-% Copyright (c) 2010-2016,2018-2019 Casper Ti. Vector
+% Copyright (c) 2010-2016,2018-2019,2021 Casper Ti. Vector
 % Public domain.
 %
 % 使用前请先仔细阅读 pkuthss 和 biblatex-caspervector 的文档，
@@ -28,16 +28,15 @@
 % 设定文档的基本信息。
 \pkuthssinfo{
 	cthesisname = {博士研究生学位论文}, ethesisname = {Doctor Thesis},
-	ctitle = {测试文档}, etitle = {Test Document},
-	cauthor = {某某},
-	eauthor = {Test},
-	studentid = {0123456789},
-	date = {某年某月},
-	school = {某某学院},
+	ctitle = {测试文档},
+	etitle = {Test Document},
+	cauthor = {某某}, eauthor = {Test}, date = {某年某月},
+	studentid = {0123456789}, school = {某某学院},
 	cmajor = {某某专业}, emajor = {Some Major},
 	direction = {某某方向},
 	cmentor = {某某教授}, ementor = {Prof.\ Somebody},
-	ckeywords = {其一，其二}, ekeywords = {First, Second}
+	ckeywords = {其一，其二},
+	ekeywords = {First, Second}
 }
 % 载入参考文献数据库（注意不要省略“.bib”）。
 \addbibresource{thesis.bib}

doc/readme/chap/pkuthss-chap2.tex

@@ -1,7 +1,7 @@
 % Documentation for pkuthss.
 %
 % Copyright (c) 2008-2009 solvethis
-% Copyright (c) 2010-2019 Casper Ti. Vector
+% Copyright (c) 2010-2019,2021 Casper Ti. Vector
 %
 % This work may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License, either version 1.3 of this license or (at
@@ -163,8 +163,8 @@
 	\item \texttt{\bfseries\string\etitle}：设定论文西文标题；
 	\item \texttt{\bfseries\string\cauthor}：设定作者的中文名；
 	\item \texttt{\bfseries\string\eauthor}：设定作者的西文名；
-	\item \texttt{\bfseries\string\studentid}：设定作者的学号；
 	\item \texttt{\bfseries\string\date}：设定日期；
+	\item \texttt{\bfseries\string\studentid}：设定作者的学号；
 	\item \texttt{\bfseries\string\school}：设定作者的学院名；
 	\item \texttt{\bfseries\string\cmajor}：设定作者专业的中文名；
 	\item \texttt{\bfseries\string\emajor}：设定作者专业的西文名；

doc/readme/chap/pkuthss-copy.tex

@@ -32,7 +32,7 @@
 
 版权所有 \copyright\ 2008--2009 solvethis
 \par
-版权所有 \copyright\ 2010--2019 Casper Ti. Vector
+版权所有 \copyright\ 2010--2021 Casper Ti. Vector
 \vskip 1em
 
 pkuthss 文档类及其说明文档均以 \hologo{LaTeX} Project Public License 发布。

doc/readme/pkuthss.tex

@@ -1,7 +1,7 @@
 % Documentation for pkuthss.
 %
 % Copyright (c) 2008-2009 solvethis
-% Copyright (c) 2010-2016,2018-2019 Casper Ti. Vector
+% Copyright (c) 2010-2016,2018-2019,2021 Casper Ti. Vector
 %
 % This work may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License, either version 1.3 of this license or (at
@@ -58,16 +58,14 @@
 		PKU dissertation document class\texorpdfstring{\\}{: }%
 		pkuthss \docversion%
 	},
-	cauthor = {盖茨波·钛·维克托},
-	eauthor = {Casper Ti.\ Vector},
-	studentid = {00910???},
+	cauthor = {盖茨波·钛·维克托}, eauthor = {Casper Ti.\ Vector},
 	date = {\zhdigits{2020}年\zhnumber{11}月},
-	school = {化学与分子工程学院},
+	studentid = {00910???}, school = {化学与分子工程学院},
 	cmajor = {化学（？）}, emajor = {Chemistry ... ?},
 	direction = {据说 Casper 自己也不知道},
 	cmentor = {XX 教授}, ementor = {Prof.\ XX},
-	ckeywords = {\hologo{LaTeX2e}，排版，文档类，\CTeX{}},
-	ekeywords = {\hologo{LaTeX2e}, Typesetting, Document class, \CTeX{}}
+	ckeywords = {\hologo{LaTeX}，排版，文档类，\CTeX{}},
+	ekeywords = {\hologo{LaTeX}, Typesetting, Document class, \CTeX{}}
 }
 \addbibresource{pkuthss.bib}
 

tex/pkuthss.cls

@@ -1,7 +1,7 @@
 % Peking University dissertation document class
 %
 % Copyright (c) 2008-2009 solvethis
-% Copyright (c) 2010-2020 Casper Ti. Vector
+% Copyright (c) 2010-2021 Casper Ti. Vector
 %
 % This work may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License, either version 1.3 of this license or (at
@@ -355,7 +355,7 @@
 		\vfill
 		% Title of the thesis.
 		{%
-			\zihao{2}{\label@ctitle}\linespread{1.6}\selectfont%
+			\zihao{2}\linespread{1.6}\selectfont{\label@ctitle}%
 			\thss@int@fillinblank{2}{0.64\textwidth}{\textbf{\@ctitle}}%
 		}
 		\vfill