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git-svn-id: https://svn.r-project.org/R/trunk@88399 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

src/library/base/man/options.Rd

@@ -264,7 +264,7 @@ getOption(x, default = NULL)
       to something in the order of (and typically slightly less than)
       \code{max.print} \emph{entries}.}
 
-    \item{\code{netrc}:}{character string. Path to netrc file with
+    \item{\code{netrc}:}{character string. Path to \I{netrc} file with
       user credentials for URLs requiring authentication.  The file, if it
       exists, will be used by \samp{libcurl} in \code{\link{download.file}},
       \code{\link{url}} and \code{\link{curlGetHeaders}}.  By default unset,

src/library/utils/man/download.file.Rd

@@ -136,13 +136,13 @@ download.file(url, destfile, method, quiet = FALSE, mode = "w",
   A HTTP[S] URL may require authentication.  One may specify a username and
   password as part of the URL, i.e. 
   \code{"https://username:password@machine/..."}.  This is not recommended
-  with HTTP as the credentials will be sent in plaintext.  With HTTPS, they
+  with HTTP as the credentials will be sent in plaintext.  With \abbr{HTTPS}, they
   will be encrypted, but still may appear in plaintext e.g.  in server logs. 
   Alternatively, the credentials may be specified via \code{Authorization}
   in argument \code{headers}, but that is more involved for the user and
   wouldn't allow simultaneous download from different URLs requiring
   authentication.  With \code{"libcurl"}, it is possible to have the
-  credentials in a netrc file which can be specified by the option
+  credentials in a \I{netrc} file which can be specified by the option
   \code{netrc} and the default may be set by the environment variable
   \env{R_DEFAULT_NETRC}.  The file should not be readable by other users. 
   See \url{https://everything.curl.dev/usingcurl/netrc.html} for further