* Glossary:: The glossary.
* Antinews:: Information about Emacs version 21.
* Mac OS:: Using Emacs in the Mac.
-* MS-DOS:: Using Emacs on MS-DOS (otherwise known as "MS-DOG").
+* MS-DOS:: Using Emacs on MS-DOS and Microsoft Windows.
* Manifesto:: What's GNU? Gnu's Not Unix!
* Acknowledgments:: Major contributors to GNU Emacs.
when there is one.
* Momentary Mark:: Enabling Transient Mark mode momentarily.
* Using Region:: Summary of ways to operate on contents of the region.
+* Selective Undo:: Undoing within a given region.
* Marking Objects:: Commands to put region around textual units.
* Mark Ring:: Previous mark positions saved so you can go back there.
* Global Mark Ring:: Previous mark positions in various buffers.