\usepackage{enumitem}
\usepackage{fontspec}
\usepackage{float}
\usepackage[normalem]{ulem}
\usepackage{hyperref}
\usepackage{nameref} %needed by zref-xr
\usepackage{zref-xr,zref-hyperref,zref-user}
\usepackage{xr-hyper}


\usepackage{adjustbox}
% \usepackage{xcolor}
\usepackage{mdframed}
\newmdenv[topline=false,
          leftline=true,
          bottomline=false,
          rightline=false,
          linewidth=3pt,
          %backgroundcolor=lightgray,
          linecolor=gray!30,
          backgroundcolor=gray!5,
          skipabove=\topsep,
          skipbelow=\topsep,
          leftmargin=0pt,
          rightmargin=0pt,
          innertopmargin=0pt,
          innerbottommargin=0pt
          ]{refquote}
\newmdenv[topline=false,
          leftline=true,
          bottomline=false,
          rightline=false,
          linewidth=3pt,
          %backgroundcolor=lightgray,
          backgroundcolor=red!3!white,
          linecolor=red!30!white,
          skipabove=\topsep,
          skipbelow=\topsep,
          leftmargin=0pt,
          rightmargin=0pt,
          innertopmargin=10pt,
          innerbottommargin=10pt
          ]{question}
% setup hyperlink for page and line number
\def\msname{MS}
\def\smname{SM}
\setenumerate{labelsep=*, leftmargin=1.0pc}
%\zexternaldocument*{ManuscriptNew\veraa}
\zexternaldocument*{\msname}
\zexternaldocument*{\smname}
\newcommand{\hlabel}[1]{\label{#1}\hypertarget{#1}{
    \linelabel{line:#1}}}
%\externaldocument[si-]{\smname\veraa}[\smname\veraa.pdf]
\makeatletter
\newcommand{\clab}[2][]{
		\protected@write\@auxout{\let\clab\@secondoftwo}{
				\string\newlabel{r:#1}{{#2}{}}}%
		\hlabel{#1}#2\hlabel{#1end}}
\makeatother 
\newcommand{\zhypera}[1]{\href[pdfnewwindow]{\msname.pdf\##1}{\\[1ex]\textbf{Page \zpageref{#1}, Line
\zref{line:#1}--\zref{line:#1end}:}\\}}
\newcommand{\cref}[1]{\begin{refquote}\zhypera{#1}{\zref{r:#1}}\\[-0.5ex]\end{refquote}}
% \newenvironment{ra}[1][\unskip]{\par \noindent \\[-1ex] \textbf{Response/Action:}\par\bf}{\ \\}
\renewenvironment{quote}{\begin{question}}{\end{question}}
% \renewenvironment{verbatim}{\begin{ra}}{\end{ra}}