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Auto-linking

Within a package

pkgdown will automatically link to documentation and articles wherever it’s possible to do unambiguously. This includes:

Across packages

Linking to documentation in another package is straightforward. Just adapt the call in the usual way:

If pkgdown can find a pkgdown site for the remote package, it will link to it; otherwise, it will link to https://rdrr.io/ for documentation and CRAN for vignettes. In order for a pkgdown site to be findable, it needs to be listed in two places:

Now, when you build a pkgdown site for a package that links to the dplyr documentation (e.g., dplyr::mutate()), pkgdown looks first in dplyr’s DESCRIPTION to find its website, then it looks for pkgdown.yml, and uses the metadata to generate the correct links.

To allow your package to be linked by other locally installed packages, even if your website is not reachable at build time, the following option needs to be set in _pkgdown.yml:

deploy:
  install_metadata: true

This allows locally installed packages to access package index metadata from the locally installed copy, which may be useful if your website require auth, or you build behind a firewall.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.