Ulrike Groemping wrote:
Duncan Murdoch-2 wrote:
Ulrike Groemping wrote:
Dear developeRs,
I have not found anything recent about how to link to a vignette or other
documentation from within Rd-files. Is this now possible with the new
help
system ? For example, I would like to link to the file AlgDesign.pdf
provided within the doc directory of package AlgDesign.
Yes, you can do it with a \url{} macro. Use a relative link, acting as
though the starting page is located in /library/AlgDesign/html/*. So
\url{../doc/AlgDesign.pdf}
should work from the same package,
\url{../../AlgDesign/doc/AlgDesign.pdf} from elsewhere. Please let me
know if this doesn't work, I haven't tested.
Duncan Murdoch
Yes, this works, thanks! Is it also possible to display an alternative text
instead of the URL itself, like with other links (e.g. show text "Open pdf"
that operates the link) ?
There's no optional text in the \url{} tag, but you could embed it in an
\ifelse tag, e.g.
\ifelse{html}{\url{ .... }}{ [open pdf ...] }
might work. Using the \ifelse tag will make your package depend on R >=
2.10.0.
Duncan Murdoch
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