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\section{Quick Intro}  On May 1\textsuperscript{st}, 2015, \authorea has  deployed a new backend for its \latex input language, teaming up with the ambitious \latexml project, which strives to offer a full reimplementation of {\TeX} with targeted generation of web-first manuscripts, supporting HTML5 and ePub. To enable \latexml, select the following option in your article page:  \begin{center}