use of depends, suggests, etc

Hi,

I'm putting together an R package.  In explaining how it works (in the Rd 
files), I want to refer to another package.  The other package is not used 
anywhere in the actual code nor in the examples. So, there is no reason to 
include the other package in the Depends, Suggests, or Imports lines of the 
DESCRIPTION file.  People will be able to use my package without actually 
installing the other package.

However, "R CMD check" warns about "Missing link(s)" when it is checking the 
cross references in the Rd files.

What is the preferred way to make this warning go away?
Follow the 'Writing R Extensions' manual.  There is a 3-item bullet 
point in ?1.1.1 following

     'The general rules are'

and your claims contradict the third point.
Thanks in advance,
   Kevin

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Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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use of depends, suggests, etc

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