[Rd] Link to pdf documentation from other package ?

[Ulrike Groemping]

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) ?

Regards, Ulrike

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