From 4f324f2ca977618d51b8e4a5d1a3510ff712bc92 Mon Sep 17 00:00:00 2001
From: EthanDeng <ddswhu@outlook.com>
Date: Sun, 4 Aug 2019 19:48:18 +0800
Subject: [PATCH] revert back to cmlargesymbols

---
 elegantbook-cn.tex |  3 ++-
 elegantbook.cls    | 18 +++++++++---------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/elegantbook-cn.tex b/elegantbook-cn.tex
index 9c7c465..083cfb3 100644
--- a/elegantbook-cn.tex
+++ b/elegantbook-cn.tex
@@ -1,4 +1,4 @@
-\documentclass[cn,11pt,twocol]{elegantbook}
+\documentclass[cn,11pt]{elegantbook}
 
 \title{ElegantBook：优美的 \LaTeX{} 书籍模板}
 \subtitle{Elegant\LaTeX{} 经典之作}
@@ -457,6 +457,7 @@ Lebesgue 积分有几种不同的定义方式。我们将采用逐步定义非
 \begin{itemize}
 \item 名词解释
 \begin{definition}{可积性}{int}
+$\vv{AB}$
 设 $ f(x)=\sum\limits_{i=1}^{k} a_i \chi_{A_i}(x)\oint_{a}^b\ointop_{a}^b\prod_{i=1}^n$ 是 $E$ 上的非负简单函数，其中 $\{A_1,A_2,\ldots,A_k\}$ 是 $E$ 上的一个可测分割，$a_1,a_2,\ldots,a_k$ 是非负实数。定义 $f$ 在 $E$ 上的积分为 $\int_{a}^b f(x)$
 \begin{equation}
    \label{inter}
diff --git a/elegantbook.cls b/elegantbook.cls
index e525f62..6881857 100644
--- a/elegantbook.cls
+++ b/elegantbook.cls
@@ -99,13 +99,13 @@
 \RequirePackage{anyfontsize}
 \ifdefstring{\ELEGANT@math}{newtxmath}{
 \RequirePackage{newtxmath}
-\DeclareSymbolFont{CMletters}     {OML}{cmm} {m}{it}%
-\DeclareSymbolFont{CMsymbols}     {OMS}{cmsy}{m}{n}%
-\DeclareSymbolFont{CMlargesymbols}{OMX}{cmex}{m}{n}%
-\let\intop\relax
-\let\sumop\relax
-\let\ointop\relax
-\let\prodop\relax
+\let\oldwidering\widering
+\let\widering\undefined
+\RequirePackage{yhmath}
+\let\widering\oldwidering
+\RequirePackage{esvect}
+\DeclareSymbolFont{CMlargesymbols}{OMX}{cmex}{m}{n}
+\let\intop\relax\let\sumop\relax\let\ointop\relax\let\prodop\relax
 \DeclareMathSymbol{\sumop}{\mathop}{CMlargesymbols}{"50}
 \DeclareMathSymbol{\intop}{\mathop}{CMlargesymbols}{"52}
 \DeclareMathSymbol{\ointop}{\mathop}{CMlargesymbols}{"48}
@@ -243,7 +243,7 @@
 %\RequirePackage{enumerate}
 \RequirePackage{amsmath,mathrsfs,amsfonts,amssymb}
 \RequirePackage{booktabs}
-\RequirePackage{multicol}
+\RequirePackage{multicol,multirow}
 \RequirePackage{xcolor}
 \RequirePackage{fancyvrb}
 \RequirePackage{makecell,lipsum,hologo,setspace}
@@ -639,7 +639,7 @@
 \fancyhead[L]{\color{structurecolor}\ifdefstring{\ELEGANT@lang}{en}{\itshape}{\kaishu}\rightmark}
 \fi
 
-\fancyfoot[c]{\base{structurecolor}{88}}
+\fancyfoot[c]{\catcode`\$=3\relax\base{structurecolor}{88}}
 \renewcommand{\headrule}{\color{structurecolor}\hrule width\textwidth}
 \pagestyle{fancy}
 \renewcommand{\headrulewidth}{1pt}