*** a/doc/src/sgml/install-windows.sgml
--- b/doc/src/sgml/install-windows.sgml
***************
*** 47,61 ****
    <productname>Cygwin</productname> uses the normal build system, see
    <xref linkend="installation"> and the specific notes in
    <xref linkend="installation-notes-mingw"> and <xref linkend="installation-notes-cygwin">.
!   These builds cannot generate 64-bit binaries.
!   <productname>Cygwin</productname> is not recommended and should
!   only be used for older versions of <productname>Windows</productname> where
    the native build does not work, such as
!   <productname>Windows 98</productname>. <productname>MinGW</productname> is
!   only recommended if you are building other modules using it. The official
    binaries are built using <productname>Visual Studio</productname>.
   </para>
  
   <sect1 id="install-windows-full">
    <title>Building with <productname>Visual C++</productname> or the
    <productname>Platform SDK</productname></title>
--- 47,72 ----
    <productname>Cygwin</productname> uses the normal build system, see
    <xref linkend="installation"> and the specific notes in
    <xref linkend="installation-notes-mingw"> and <xref linkend="installation-notes-cygwin">.
!   To produce native 64 bit binaries in these environments, use the tools from
!   <productname>Mingw64</productname>. These tools can also be used to
!   cross-compile for 32 bit and 64 bit <productname>Windows</productname> 
!   targets on other hosts, such as <productname>Linux</productname> and 
!   <productname>Darwin</productname>.
!   <productname>Cygwin</productname> is not recommended for running a
!   production server, and it should only be used for running on
!   older versions of <productname>Windows</productname> where
    the native build does not work, such as
!   <productname>Windows 98</productname>. The official
    binaries are built using <productname>Visual Studio</productname>.
   </para>
  
+  <para>
+   Native builds of <application>psql</application> don't support command 
+   line editing. The <productname>Cygwin</productname> build does support
+   command line editing, so it should be used where psql is needed for
+   interactive use on  <productname>Windows</productname>.
+  </para>
+ 
   <sect1 id="install-windows-full">
    <title>Building with <productname>Visual C++</productname> or the
    <productname>Platform SDK</productname></title>
*** a/doc/src/sgml/installation.sgml
--- b/doc/src/sgml/installation.sgml
***************
*** 2733,2738 **** cc-1020 cc: ERROR File = pqcomm.c, Line = 427
--- 2733,2746 ----
     </para>
  
     <para>
+      To build 64 bit binaries using MinGW, install the 64 bit tool set
+      from <ulink url="http://www.mingw64.org/"></ulink>, put its bin
+      directory in the <envar>PATH</envar>, and run 
+      <command>configure</command> with the  
+      <command>--host=x86_64-w64-mingw</command> option.
+    </para>
+ 
+    <para>
      After you have everything installed, it is suggested that you
      run <application>psql</application>
      under <command>CMD.EXE</command>, as the MSYS console has