update libintl comments

git-svn-id: https://svn.r-project.org/R/trunk@87935 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: ripley

doc/NEWS.Rd

@@ -313,11 +313,15 @@
 
       \item \code{getMethods(*, table = TRUE)} is deprecated.
 
-      \item Building with the bundled (and old) version of \code{libintl}
-      is deprecated and gives a \command{configure warning}.  Use
-      \code{libintl} from a recent version of GNU \I{gettext} instead.  (If
-      the OS's \code{libc} includes \code{libintl} that will be chosen
-      by \command{configure} -- \code{glibc} does.)
+      \item Building with the bundled (and old) version of
+      \code{libintl} is deprecated and now gives a \command{configure
+      warning}.  This should be selected only if neither the OS's
+      \code{libc} nor an external \code{libintl} library provide
+      suitable functions.
+
+      Instead install \code{libintl} from a recent version of GNU
+      \I{gettext} or use \command{configure} option
+      \option{--disable-nls}.
     }
   }
 

doc/manual/R-admin.texi

@@ -3311,7 +3311,9 @@ The ability to use translated messages makes use of @code{gettext} and
 most likely needs @acronym{GNU} @code{gettext}: you do need this to work
 with new translations, but otherwise the version of the @code{gettext}
 runtime contained in the R sources will be used if no suitable external
-@code{gettext} is found.
+@code{gettext} is found (possibly from @code{libc}) and @R{} was not
+configured with @option{--disable-nls}.  Use of the bundled
+@code{gettext} runtime is deprecated and will be reoved soon.
 
 @cindex Cairo
 @cindex @I{Pango}