msdog.texi (Windows HOME): Mention that HOME can also be set in the registry,

 with a cross-reference.

doc/emacs/ChangeLog

+2010-12-04  Eli Zaretskii  <eliz@gnu.org>
+
+	* msdog.texi (Windows HOME): Mention that HOME can also be set in the
+	registry, with a cross-reference.
+
 2010-11-23  Bob Rogers  <rogers-emacs@rgrjr.dyndns.org>
 
 	* maintaining.texi (VC With A Locking VCS, VC Directory Commands):

doc/emacs/msdog.texi

@@ -341,6 +341,9 @@ Windows 2K/XP and later, and either @file{C:\WINDOWS\Application Data}
 or @file{C:\WINDOWS\Profiles\@var{username}\Application Data} on the
 older Windows 9X/ME systems.
 
+  @code{HOME} can also be set in the system registry, for details see
+@ref{MS-Windows Registry}.
+
 @cindex init file @file{.emacs} on MS-Windows
   The home directory is where your init file @file{.emacs} is stored.
 When Emacs starts, it first checks whether the environment variable