[Rd] grouping list of objects in the help system

[Duncan Murdoch]

On 11/07/2014 12:11 PM, Adrian Dușa wrote:
> Dear list,
>
> I've noticed for some packages the Index file in the help system has a
> single list of objects (arranged alphabetically), while for other
> packages this list is offered separately by letters... presumably when
> the number of help objects is high.
>
> Is there a way to manually split the help objects into categories?
>
> For example, I would like to have an alphabetic order for the group
> "datasets" and another alphabetical order for the group "functions".
>
> Needless to say that I've tried to read everything I could on this
> topic (especially "Writing R Extensions"), even looked closely on
> different package sources, but I haven't noticed anything special.

You have a little bit of control of the order of topics in the PDF 
reference manual (e.g. see the lattice package), but the HTML help page 
is produced by R, not by you, and is presented in a standard 
alphabetical order.  I would object quite strongly to people messing 
with that.

Duncan Murdoch