[Fedora-packaging] Updates to R packaging spec

[Orion Poplawski]

Doing some new R packages, seems like the following changes should be 
make to the spec examples in http://fedoraproject.org/wiki/Packaging/R:

Source0: 
http://cran.r-project.org/src/contrib/%{packname}_%{version}-%{packrel}.t...

URL: 
http://cran.r-project.org/web/packages/%{packname}/index.html

BuildRequires:    R-devel, tex(latex)
(though only for F-9 and later)

Also, the noarch spec requires R but the arch doesn't.  This may be 
correct (arch probably depends on R libraries), but you might note it in 
the summary of differences section.

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
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