Hi,
I am preparing a package where I would like to use UTF characters in .Rd
files. When the LaTeX comes to play, I got well known errors e.g.:
! Package inputenc Error: Unicode character ∂ (U+2202)
(inputenc) not set up for use with LaTeX.
It is coherent with what is said on this page
https://developer.r-project.org/Encodings_and_R.html :
"Since LaTeX cannot handle Unicode we would have to convert the encoding
of latex help files or use Lambda (and tell it they were in UTF-8)."
But LaTeX can support UTF8 as shown with this small example:
\documentclass{article}
\usepackage[mathletters]{ucs}
\usepackage[utf8x]{inputenc}
\begin{document}
The vorticity ω is defined as $ω = ∇ × u$.
\end{document}
I can compile it with my LaTeX without problem. May be you too?
So my suggestion would be to place these two lines somewhere in LaTeX
header generated by R doc system:
\usepackage[mathletters]{ucs}
\usepackage[utf8x]{inputenc}
Note "utf8x" and not just "utf8" which is crucial for this example.
With a hope that it would fix unicode errors from LaTeX.
Best,
Serguei.
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