Compute relative file paths for URLs to other package's installed HTML documentation.
findHTMLlinks(pkgDir = "", lib.loc = NULL, level = 0:2)the top-level directory of an installed package. The default indicates no package.
character vector describing the location of R library
trees to scan: the default indicates .libPaths().
Which level(s) to include.
A named character vector of file paths, relative to the html
directory of an installed package. So these are of the form
"../../somepkg/html/sometopic.html".
findHTMLlinks tries to resolve links from one help page to
another. It uses in decreasing priority
The package in pkgDir: this is used when converting
HTML help for that package (level 0).
The base and recommended packages (level 1).
Other packages found in the library trees specified by
lib.loc in the order of the trees and alphabetically within a
library tree (level 2).