[Rd] Not documenting a function and not getting a check error?

[Deepayan Sarkar]

On Fri, Jan 6, 2023 at 1:49 AM Duncan Murdoch <murdoch.duncan using gmail.com> wrote:
>
> I'm in the process of a fairly large overhaul of the exports from the
> rgl package, with an aim of simplifying maintenance of the package.
> During this work, I came across the reverse dependency geomorph that
> calls the rgl.primitive function.
>
> I had forgotten that rgl.primitive was still exported:  I've been
> thinking of it as an internal function for a few years now.  I was
> surprised geomorph was able to call it.
>
> Particularly surprising to me was the fact that it is not properly
> documented.  One of the help topics lists it as an alias, but it
> contains no usage info, and is not mentioned in the .Rd file other than
> the alias.  And yet "R CMD check rgl" has never complained about it.
>
> Is this intentional?

Does the Rd file that documents it have \keyword{internal}? These are
not checked fully (as I realized recently while working on the help
system), and I guess that's intentional.

Best,
-Deepayan

>
> Duncan Murdoch
>
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