npmlreg specified in links to alldist and
allvc functions through documentation files to solve NOTE
on CRAN Check Results, and as explicitly required at section 2.5
Cross-references of Writing R Extensions: > There
are two other forms with an optional ‘anchor’ argument, specified as
\link[pkg]{foo} and \link[pkg:bar]{foo}, to
link to topics foo and bar respectively in the package
pkg.