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A general description is here.
Credentials for basic HTTP authentication with download method ‘"libcurl"’ can now be provided in a ‘netrc’ file. The path to the file can be specified in ‘options("netrc")’.
In static HTML help, links to vignette files from the default ‘doc/index.html’ page now also work for packages not installed in the default ‘.Library’, thanks to a report by Patrice Kiener.
‘fixInNamespace("<S3method>")’ failed to update the S3 methods table when the generic was not on the search path.