[Tex/LaTex] Entering Unicode characters in LaTeX

unicode

How do I enter Unicode characters in LaTeX? What packages do I need to install and what escape sequence do I type to specify Unicode characters in an ASCII source file?

Best Answer

Have you considered using XeTeX? This is an adaptation of TeX that adds Unicode support, and is included in the latest TeX Live and MiKTeX distributions. This Wikipedia article gives a good introduction.

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[Tex/LaTex] How to make LaTeX understand Unicode characters ↔︎ and ↕︎

Actually, LaTeX has a pretty good Unicode support (better yet since the October 2019 update). You just need to define the character you want to type:

\documentclass{article}
\DeclareUnicodeCharacter{2194}{\ensuremath{\leftrightarrow}}
\DeclareUnicodeCharacter{2195}{\ensuremath{\updownarrow}}
\begin{document}
How can I type ↔ and ↕ in \LaTeX?
\end{document}

Note that you have a (spurious, I think) caracter U+FE0E (VARIATION SELECTOR-15) after each ↔ and ↕ character.

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[Tex/LaTex] How to make LaTeX understand Unicode characters ↔︎ and ↕︎

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