more use of \manual

git-svn-id: https://svn.r-project.org/R/trunk@88891 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: smeyer

src/library/base/man/Memory.Rd

@@ -58,7 +58,8 @@
 }
 
 \seealso{
-  \emph{An Introduction to R} for more command-line options.
+  \manual{R-intro}{Invoking R from the command line}
+  for more command-line options.
 
   \code{\link{Memory-limits}} for the design limitations.
 

src/library/base/man/Startup.Rd

@@ -220,9 +220,9 @@
   \code{\link{X11}} and \code{\link{quartz}}.
 #endif
 
-  \emph{An Introduction to R} for more command-line options: those
-  affecting memory management are covered in the help file for
-  \link{Memory}.
+  \manual{R-intro}{Invoking R from the command line}
+  for more command-line options: those affecting memory management are
+  covered in \code{?\link{Memory}}.
 
   \code{\link{readRenviron}} to read \file{.Renviron} files.
 

src/library/base/man/parse.Rd

@@ -83,7 +83,7 @@ str2expression(text)
   \code{n = 1}, and \code{n < 0} will read until an \abbr{EOF} character is
   read.  (The \abbr{EOF} character is \abbr{Ctrl}-Z for the Windows front-ends.)  The
   line-length limit is 4095 bytes when reading from the console (which
-  may impose a lower limit: see \sQuote{An Introduction to R}).
+  may impose a lower limit).% see \manual{R-intro}{}
 
   The default for \code{srcfile} is set as follows.  If
   \code{keep.source} is not \code{TRUE}, \code{srcfile}

src/library/base/man/scan.Rd

@@ -232,8 +232,7 @@ scan(file = "", what = double(), nmax = -1, n = -1, sep = "",
   blank lines.
 
   There is a line-length limit of 4095 bytes when reading from the
-  console (which may impose a lower limit: see \sQuote{An Introduction
-  to R}).
+  console (which may impose a lower limit).% see \manual{R-intro}{}
 
   There is a check for a user interrupt every 1000 lines if \code{what}
   is a list, otherwise every 10000 items.

src/library/base/man/showConnections.Rd

@@ -89,7 +89,7 @@ getAllConnections()
 
   When \R is reading a script from a file, the \emph{file} is the
   \sQuote{console}: this is traditional usage to allow in-line data (see
-  \sQuote{An Introduction to R} for an example).
+  \manual{R-intro}{Scripting with R} for an example).
 }
 \value{
   \code{stdin()}, \code{stdout()} and \code{stderr()} return connection