* doc/emacs/misc.texi (Saving Emacs Sessions): Mention saving
minibuffer history via desktop.el.
@code{desktop-clear-preserve-buffers-regexp}, whose value is a regular
expression matching the names of buffers not to kill.
+@vindex desktop-globals-to-save
If you want to save minibuffer history from one session to
-another, use the @code{savehist} library.
+another, use the @code{savehist} library. You can also save selected
+minibuffer-history variables as part of @code{desktop-save-mode} if
+you add those variables to the value of @code{desktop-globals-to-save}.
@node Recursive Edit
@section Recursive Editing Levels