From e12f13e7dac094a71a65ed3e45f2c23ca0d8c65c Mon Sep 17 00:00:00 2001
From: Liu Xinyu <liuxinyu99@hotmail.com>
Date: Tue, 7 Nov 2023 16:53:28 +0800
Subject: [PATCH] Use babel for CN/EN support

---
 algoxy-zh-cn.tex              |  4 +---
 others/appendix/bib-zh-cn.tex |  2 +-
 prelude.sty                   | 12 +++++++++++-
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/algoxy-zh-cn.tex b/algoxy-zh-cn.tex
index 6557756c7..870f52d94 100644
--- a/algoxy-zh-cn.tex
+++ b/algoxy-zh-cn.tex
@@ -97,7 +97,6 @@
 
 \subimport{search/}{search-zh-cn.tex}
 
-\renewcommand\appendixname{附录}
 \appendix
 
 \subimport{others/appendix/rbt-del/}{rbt-del-zh-cn.tex}
@@ -117,8 +116,7 @@ \chapter{参考答案}
 
 \backmatter
 \phantomsection
-\addcontentsline{toc}{chapter}{索引}
-\renewcommand\indexname{索引}
+\addcontentsline{toc}{chapter}{\indexname}
 \printindex
 
 \end{document}
diff --git a/others/appendix/bib-zh-cn.tex b/others/appendix/bib-zh-cn.tex
index 22a62351f..6e3450390 100644
--- a/others/appendix/bib-zh-cn.tex
+++ b/others/appendix/bib-zh-cn.tex
@@ -1,4 +1,4 @@
-\renewcommand\bibname{参考文献}
+\markboth{\bibname}{}
 \phantomsection  % so hyperref creates bookmarks
 \addcontentsline{toc}{chapter}{\bibname}
 
diff --git a/prelude.sty b/prelude.sty
index eeceea58c..4c285b5e0 100644
--- a/prelude.sty
+++ b/prelude.sty
@@ -14,6 +14,7 @@
       pdfstartview=FitH]{hyperref}
 
 \usepackage{fontspec}
+\usepackage[nil,english]{babel}
 \usepackage{graphicx, color}
 \usepackage{adjustbox}
 \usepackage{wrapfig}
@@ -76,7 +77,7 @@
   numberstyle=\ttfamily\tiny,
   emphstyle={\bf},
   escapeinside={*'}{'*},
-  stringstyle=\mdseries\rmfamily,
+  stringstyle=\mdseries\ttfamily, %rmfamily,
   keywordstyle=\bfseries\ttfamily, %rmfamily
   basicstyle=\footnotesize\ttfamily, %sffamily
   commentstyle = \footnotesize\rmfamily,
@@ -279,6 +280,14 @@
   % Simplified way to customize Chinese. Or \usepackage[chinese, english]{babel}
   % However, it need install the additional texlive-lang-chinese.
 
+  \addto\captionsenglish{\renewcommand{\contentsname}{目录}}
+  \addto\captionsenglish{\renewcommand{\appendixname}{附录}}
+  \addto\captionsenglish{\renewcommand\bibname{参考文献}}
+  \addto\captionsenglish{\renewcommand\indexname{索引}}
+  \addto\captionsenglish{\renewcommand{\figurename}{图}}
+  \addto\captionsenglish{\renewcommand{\tablename}{表}}
+  \addto\captionsenglish{\renewcommand{\proofname}{证明}}
+
   \newtheorem{axiom}{公理}[section]
   \newtheorem{theorem}{定理}[section]
   \newtheorem{lemma}[theorem]{引理}
@@ -307,6 +316,7 @@
   \newtheorem{corollary}[theorem]{Corollary}
   \newtheorem{definition}{Definition}[section]
   \newtheorem{example}{Example}[section]
+  \babelfont[chinese]{rm}{Noto Serif CJK SC}
 }
 
 \DeclareOption*{\PackageWarning{prelude}{Unknown ‘\CurrentOption’}}