\documentclass{article} \usepackage[osf,p]{libertinus} \usepackage{microtype} \usepackage[pdfusetitle,hidelinks]{hyperref} \usepackage[english, main=latin]{babel} \babeltags{english = english} \usepackage{setspace} \AtBeginDocument{\doublespacing} \usepackage{lipsum} \SetLipsumParListEnd{\par} \usepackage[series={A,B},noend,noeledsec,nofamiliar,noledgroup]{reledmac} \Xarrangement[A]{paragraph} \Xarrangement[B]{twocol} \makeatletter \Xbhooknote{\setstretch {\setspace@singlespace}} \Xbhookgroup{\setstretch {\setspace@singlespace}} \makeatother \begin{document} \begin{english} \date{} \title{Line spacing} \maketitle \begin{abstract} This example sets the interline of footnotes with the \emph{setspace} package. The main text is double line spacing, the footnotes are single line spacing. It use the \verb+\Xbhooknote+ and \verb+\Xbhookgroup+ commands to call some space setting. Note that these commands are called after loading the \emph{setspace} package, because they use \emph{setspace} commands. We use \verb`\AtBeginDocument{\doublespacing}` to start doublespacing at the beginning of the \verb+document+ environment. We do not use the \verb+doublespacing+ option of the \emph{setspace} package, because it dirupts internal \emph{reledmac} computing. \end{abstract} \end{english} \beginnumbering \pstart \lipsum*[1]\edtext{Lipsum}{ \Afootnote{\lipsum*[3]} \Bfootnote{\lipsum*[4]}} \lipsum*[6-7] \pend \endnumbering \end{document}