[Tex/LaTex] How to use \checkmark and Cambria Math

fontsfontspecmath-mode

In a document I need to use Cambria Math but at the same time be able to use \checkmark for an itemize environment. But as soon as I load unicode-math the checkmark disappears. Is there a work around for this?

I am compiling the following MWE with lualatex (TeX Live 2013/dev):

\documentclass{article}
\usepackage{amsfonts} % for the \checkmark command 
\usepackage{unicode-math} % hides \checkmark? 
\usepackage{fontspec}
\setmainfont{Cambria}
\setsansfont{Calibri}
%\setmathfont{Cambria Math}


\begin{document} 
$a + b$
\begin{itemize}
\item[\checkmark] a
\item[\checkmark] b 
\item[\checkmark] c
\end{itemize}

\end{document}

Best Answer

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If you want the AMS tick back you can just load the font, simplest to do it as a text font. Also unicode-math delays some of its definitions until begin{document} so you need to delay the (re)definition until after that.

\documentclass{article}

\usepackage{unicode-math} 
\usepackage{fontspec}
\setmainfont{Cambria}
\setsansfont{Calibri}
\setmathfont{Cambria Math}


%%\DeclareFixedFont\amsa{U}{msa}{m}{n}{10}
%%\AtBeginDocument{\renewcommand\checkmark{{\amsa \char"58}}}

\AtBeginDocument{\renewcommand\checkmark{\usefont{U}{msa}{m}{n}X}}

\begin{document} 


$a + b$
\begin{itemize}
\item[\checkmark] a
\item[\checkmark] b 
\item[\checkmark] c
\end{itemize}

\end{document}
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