Target

Failed attempts

• Googled “xelatex ipa symbols”
• Tried the tipa package, and got the error “command sups already defined”.¹

Source code

I limited the above google search to academic sites only², and I luckily found a blog post which inspired me to work out the following example. (This link to the post is included in the footnotes.)

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\documentclass[border=5pt]{standalone}
\usepackage{fontspec}
\newfontfamily{\LL}{Linux Libertine O}
\begin{document}
Examples of nasal vowels: {\LL /ɑ̃/, /ɛ̃/, /ɔ̃/}
\end{document}

Explanation

Line 2: For inserting characters with accents, for example, ‘é’ and ‘ö’. Without this line, those characters won’t be processed by the typesetting system.

Line 3: For changing to a font that supports IPA symbols. Here are the sources of inspirations.

• Principal: Typesetting phonology papers by Michael Becker
• Practical: Using TIPA with fontspec on $\rm \TeX$–$\rm \LaTeX$ Stack Exchange