Deprecate the read() and write() methods.

Don't refer to them from the fromfile() and tofile() methods.
diff --git a/Doc/libarray.tex b/Doc/libarray.tex
index 2bcfb5d..0380bd6 100644
--- a/Doc/libarray.tex
+++ b/Doc/libarray.tex
@@ -84,8 +84,6 @@
 available are still inserted into the array.  \var{f} must be a real
 built-in file object; something else with a \code{read()} method won't
 do.
-
-Also available as the \method{read()} method.
 \end{funcdesc}
 
 \begin{funcdesc}{fromlist}{list}
@@ -106,14 +104,14 @@
 \end{funcdesc}
 
 \begin{funcdesc}{read}{f\, n}
+\deprecated {1.5.1}
+  {Use the \method{fromfile()} method.}
 Read \var{n} items (as machine values) from the file object \var{f}
 and append them to the end of the array.  If less than \var{n} items
 are available, \exception{EOFError} is raised, but the items that were
 available are still inserted into the array.  \var{f} must be a real
 built-in file object; something else with a \method{read()} method won't
 do.
-
-Also available as the \method{fromfile()} method.
 \end{funcdesc}
 
 \begin{funcdesc}{reverse}{}
@@ -122,8 +120,6 @@
 
 \begin{funcdesc}{tofile}{f}
 Write all items (as machine values) to the file object \var{f}.
-
-Also available as the \function{write()} function.
 \end{funcdesc}
 
 \begin{funcdesc}{tolist}{}
@@ -137,9 +133,9 @@
 \end{funcdesc}
 
 \begin{funcdesc}{write}{f}
+\deprecated {1.5.1}
+  {Use the \method{tofile()} method.}
 Write all items (as machine values) to the file object \var{f}.
-
-Also available as the \function{write()} function.
 \end{funcdesc}
 
 When an array object is printed or converted to a string, it is