XeTeX is an actively used text markup language created in 2004.

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Example code from the web:

\documentclass[11pt]{article}
\usepackage{fontspec}
\setmainfont[Ligatures=TeX]{Linux Libertine O}
\begin{document}
\section{Unicode support}

\subsection{English}
All human beings are born free and equal in dignity and rights.
 
\subsection{Íslenska}
Hver maður er borinn frjáls og jafn öðrum að virðingu og réttindum.

Example code from Wikipedia:

% Encoding: UTF8
@ARTICLE(Ekstrom,
        AUTHOR    = "Author w",
        TITLE     = "{Ekstrøm title}",
        JOURNAL   = "Ekstr{\o}m Journal",
        YEAR      = 1965,
    note      = {Working with pdflatex}
        )
 @ARTICLE(Ekstrøm,
        AUTHOR    = "Author Ekstr{\o}m",
        TITLE     = "{Ekstrøm title}",
        JOURNAL   = "Ekstrøm Journal",
        YEAR      = "1965",
    note      = {Not working with pdflatex but with xelatex}
        )
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Last updated February 11th, 2019