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Re: [O] exporting α/β to latex/pdf

From: Nick Dokos
Subject: Re: [O] exporting α/β to latex/pdf
Date: Tue, 06 May 2014 18:33:20 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

"Clément B." <address@hidden> writes:

>> The *easiest* solution is to just say \alpha and \beta in the org file
>> instead of α and β. But biting the bullet and adopting XeTeX or LuaTeX is
>> probably the *best* way to go (he says without ever having used either...)
> For those who stick with pdflatex, you can also use "α" directly in
> the org document, and define
> #+latex_header: \usepackage[utf8]{inputenc}
> #+latex_header: \declareunicodecharacter{03b1}{α}
> Provided your file is indeed encoded in utf-8 (but why would you use
> any other encoding?)
> This simply tells the compiler to bind "α" to the unicode character
> "greek small letter alpha" (U+03B1). If there is a lot of unicode in
> the document, XeTeX/LuaTeX are definitely better choices.

But that's not quite right: you end up with a circular definition (and
both pdflatex and plain latex think so: they infloop).

One way to fix it using a math alpha:

--8<---------------cut here---------------start------------->8---
#+LATEX_HEADER: \DeclareUnicodeCharacter{03b1}{\(\alpha\)}
--8<---------------cut here---------------end--------------->8---

Another is to use \textalpha and a package that defines it:

--8<---------------cut here---------------start------------->8---
#+LATEX_HEADER: \usepackage{textgreek}
#+LATEX_HEADER: \DeclareUnicodeCharacter{03b1}{\textalpha}
--8<---------------cut here---------------end--------------->8---

but then you have to install the package (and possibly some fonts as


PS. So happy that gmane is back :-)

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