[Rd] Use of MathJax (or something similar) in .Rd files

[Viechtbauer, Wolfgang (SP)]

Interesting. I gave this a try, but couldn't make this work. One would have to infuse something like 

<script id="MathJax-script" async
  src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js">
</script>

or 

<script id="MathJax-script" async
  src="<url-to-your-site>/mathjax/tex-chtml.js">
</script>

into the .html file, but just adding this to the .Rd file (directly or wrapped with \if{html}{}) doesn't do that (it just gets printed). If somebody has already successfully done this, I would be interested in hearing how.

Best,
Wolfgang

>-----Original Message-----
>From: Gábor Csárdi [mailto:csardi.gabor using gmail.com]
>Sent: Thursday, 30 April, 2020 11:51
>To: Viechtbauer, Wolfgang (SP)
>Cc: r-devel
>Subject: Re: [Rd] Use of MathJax (or something similar) in .Rd files
>
>You can probably already do this using the \if{html} conditional, and
>either including the matchjax js files in the package, or getting them
>from a CDN.
>
>Gabor
>
>On Thu, Apr 30, 2020 at 9:13 AM Viechtbauer, Wolfgang (SP)
><wolfgang.viechtbauer using maastrichtuniversity.nl> wrote:
>>
>> Hello All,
>>
>> I am wondering if there has ever been any discussion/consideration given
>to incorporating MathJax (or something similar) into R for rendering
>equations in .Rd files. I know that equations are rendered beautifully in
>the pdf manuals, but I suspect the majority of users primarily look at the
>html help files when using R. While I am comfortable reading something like
>"B_x(a,b) = integral_0^x t^(a-1) (1-t)^(b-1) dt", it would definitely be
>nicer if this was shown as a 'proper' equation.
>>
>> Best,
>> Wolfgang
>>
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