Spelling.

git-svn-id: https://svn.r-project.org/R/trunk@88354 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

doc/NEWS.Rd

@@ -108,7 +108,7 @@
       Where \R is used via extensive \abbr{IDE}s such as \command{RStudio},
       their maintainers may need to adapt \file{R.css} files accordingly.
 
-      \command{R CMD check} when passed a tarballl looks at its contents
+      \command{R CMD check} when passed a tarball looks at its contents
       and so no longer derives the package name from the tarball name
       (which can now be arbitrary).
     }

src/library/utils/man/untar.Rd

@@ -116,7 +116,7 @@ untar(tarfile, files = NULL, list = FALSE, exdir = ".",
       \command{gnutar}.}
 
     %% bsdtar had it in FreeBSB 5.3 (2004)
-    \item{\code{bsdtar}:}{macOS 10.6 and later (and FreeBSD, NetBSD >= 9
+    \item{\code{bsdtar}:}{macOS 10.6 and later (and FreeBSD, \I{NetBSD} >= 9
       and some other OSes) have a \command{tar} from the \I{libarchive}
       project which detects known-to-it forms of compression
       automagically.  However, this may rely on an external command
@@ -130,7 +130,7 @@ untar(tarfile, files = NULL, list = FALSE, exdir = ".",
 
       Recent versions of Windows supply a build of \code{bsdtar} as
       \code{tar.exe}, but with compiled-in support only for \code{gzip}
-      compresssion.
+      compression.
     }
 
     %% https://news.ycombinator.com/item?id=10722697