\documentclass[a4paper,12pt]{article}
\usepackage[doublespacing]{setspace}
\usepackage{xepersian}
%\settextfont{Achaemenes-Bold}%
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\title{قلم هخامنش}
\author{جلیل}
\begin{document}
\maketitle
\tableofcontents
\section{مقدمه}

\lr{aaa-bbb}

ططط-ذذذذذ
\end{document}