This is XeTeX, Version 3.14159265-2.6-0.99998 (TeX Live 2017) (preloaded format=xelatex 2019.3.3) 3 MAR 2019 17:51
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LaTeX2e <2017-04-15>
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Document Class: article 2014/09/29 v1.4h Standard LaTeX document class
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File: size10.clo 2014/09/29 v1.4h Standard LaTeX file (size option)