I had a similar issue with a paper on JSTOR. Usually CRAN let it through.
However, I eventually switched from URL to DOI and now the user needs to find
the free source so to rid myself of the constant hassle. CRAN really doesn’t
like redirects. I guess you could wrap it in \code{} so as not to hyperlink.
Avi
Sent from my iPhone
> On Aug 13, 2023, at 3:17 PM, Ben Bolker <bbol...@gmail.com> wrote:
>
> I have a package whose documentation includes the reference
> \doi{10.1137/18M1186411} which redirects here:
> https://epubs.siam.org/doi/10.1137/18M1186411
>
> Running R CMD check --as-cran on the package gives
>
> Found the following (possibly) invalid URLs:
> URL: https://epubs.siam.org/doi/10.1137/18M1186411
> From: man/llig.Rd
> Status: 403
> Message: Forbidden
>
> I can access this perfectly well in the browser.
>
> Is there any way to avoid this (other than, say, including the URL in a form
> that does *not* provide a link so that R CMD check won't try to access it?
> (As Uwe Ligges says
> [here](https://stat.ethz.ch/pipermail/r-package-devel/2020q1/005195.html)
> (for a more obviously problematic case), "mention the URL in plain text but
> not link"
>
> Here Hadley Wickham says that these NOTEs can be ignored
>
> https://twitter.com/hadleywickham/status/1358170607314235392
>
> but "Hadley said it on twitter" is not an ideal source. The CRAN repository
> policy says that packages must pass checks without "significant" notes, but
> it's always hard to know what's significant and what's not ...
>
> There's a thread here:
> https://stat.ethz.ch/pipermail/r-package-devel/2020q1/005171.html
>
> Tangentially: is there a more convenient way to search the r-package-devel
> archives than googling (e.g.)
> "site:https://stat.ethz.ch/pipermail/r-package-devel 403" ?
>
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