[R-pkg-devel] ω, α, η, ² in .Rd files

[Uwe Ligges]

On 10.02.2017 03:19, Jonathon Love wrote:
> hi,
>
> i'm trying to include some greek characters in my package documentation,
> but am having difficulty getting it to work on windows. it works find on
> macOS, linux, but throws errors on windows:
>
> https://win-builder.r-project.org/guwReC6lhQaU/00check.log
>
> so far i have tried:
>
> ω
> \u03C9
> \omega
> \eqn{\omega}
> \symbol{"03C9}
> \enc{ω}{omega}



The latter is right in principle, but two issues:

1- you use it in an .R file which should no assume a special encoding. I 
do not use roxygen2, hence don't know how it can work at all, I'd simply 
do it in the Rd file directly.

2- Thge LaTeX version on winbuilder cannot deal with an UTF-8 omega 
symbol. Hence I'd rather write
\eqn{\omega}{omega}
or to square it:
\eqn{\omega^2}{omega^2}

Best,
Uwe Ligges






>
> i have `Encoding: UTF-8` specified in my DESCRIPTION
>
> i have read:
>
> https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Encoding-issues
> https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Encoding
> https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Insertions
>
> any tips on how to get these symbols into documentation on windows? i'd
> even by happy with it just saying 'omega' on windows (which is what i
> thought \enc{}{} was supposed to do).
>
> apparently i'm missing something.
>
> with thanks
>
> jonathon
>
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