+@node PRESERVE and RESTORE
+@section PRESERVE and RESTORE
+@vindex PRESERVE
+@vindex RESTORE
+
+@display
+PRESERVE.
+@dots{}
+RESTORE.
+@end display
+
+@cmd{PRESERVE} saves all of the settings that @cmd{SET} (@pxref{SET})
+can adjust. A later @cmd{RESTORE} command restores those settings.
+
+@cmd{PRESERVE} can be nested up to five levels deep.
+