spelling/markup, including PR#18968

git-svn-id: https://svn.r-project.org/R/trunk@89029 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: smeyer

doc/NEWS.Rd

@@ -687,9 +687,9 @@
 
       \item New connection type \code{zstdfile} for files compressed by
       \command{zstd} if \R{} was built with such support.  \code{file()}
-      and \code{gafile()} can automagically read such files.
+      and \code{gzfile()} can automagically read such files.
 
-      \item \code{memCompress()} and \code{memDecompress()} have optiosn
+      \item \code{memCompress()} and \code{memDecompress()} have options
       to use \command{zstd} compression if \R{} was built with support
       for it.
 

doc/manual/R-exts.texi

@@ -2994,7 +2994,7 @@ The webpage @uref{https://en.cppreference.com/w/cpp/compiler_support.html}
 gives some information on which compiler versions are known to support
 recent C++ features.
 
-https://en.wikipedia.org/wiki/C%2B%2B17
+@c https://en.wikipedia.org/wiki/C%2B%2B17
 @c https://en.wikipedia.org/wiki/C%2B%2B20
 C++ standards have deprecated and later removed features (such as
 headers, types and functions).  Be aware that some current compilers

src/library/base/man/lazyload.Rd

@@ -17,7 +17,7 @@ lazyLoadDBexec(filebase, fun, filter)
 \arguments{
   \item{filebase}{The file path to the database, with no extension.}
   \item{envir}{The environment into which objects are loaded.}
-  \item{filter}{An optional function which when called on a a character
+  \item{filter}{An optional function which when called on a character
     vector of object names returns a logical vector: only objects for
     which this is true will be loaded.}
   \item{fun}{Function of one argument, an environment.}