On Mon, Nov 19, 2018 at 4:49 PM Fox, John <j...@mcmaster.ca> wrote:
>
> Dear r-package-devel list members,
>
> I'd like to create a link to a package vignette from a help file in the same
> package, for example to the "partial-residuals" vignette in the effects
> package from effect.Rd. I'm able to generate a URL for the vignette as
> follows:
>
> \Sexpr[results=text]{paste0("file://", system.file("doc",
> "partial-residuals.pdf", package="effects"))}
>
> but I'm unable to link to the resulting text string using href{}{} or url{}
> because \Sexpr[etc]{etc.} is treated as verbatim text rather than evaluated.
>
> Is there a way around this problem or another approach that works?
Have you confirmed that a raw file:// url works? I would be mildly
surprised if it did, given my understanding of how web browser
security works (which is patchy, but you should still check before
going too far down this path).
Don't you just need `results=rd` ?
\Sexpr[results=rd]{paste0("\\url{file://", system.file("doc",
"partial-residuals.pdf", package="effects"), "}")}
Hadley
--
http://hadley.nz
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