@vindex rmail-mode-hook
Rmail is an Emacs subsystem for reading and disposing of mail that
-you receive. Rmail stores mail messages in files called Rmail files
-which use a special format. Reading the message in an Rmail file is
-done in a special major mode, Rmail mode, which redefines most letters
-to run commands for managing mail.
+you receive. Rmail stores mail messages in files called Rmail files.
+Reading the message in an Rmail file is done in a special major mode,
+Rmail mode, which redefines most letters to run commands for managing mail.
@menu
* Basic: Rmail Basics. Basic concepts of Rmail, and simple use.
* Scroll: Rmail Scrolling. Scrolling through a message.
the rest of Rmail, since only Rmail operates on the Rmail file.
@end enumerate
- Rmail was written to use Babyl format as its internal format. Since
-then, we have recognized that the usual inbox format on Unix and GNU
-systems is adequate for the job, and we plan to change Rmail to use that
-as its internal format. However, the Rmail file will still be separate
-from the inbox file, even when their format is the same.
+ Rmail was originally written to use Babyl as its internal format.
+Since then, we have recognized that the usual inbox format on Unix and
+GNU systems is adequate for the job, and so since Emacs 23 Rmail uses
+that as its internal format. The Rmail file is still separate from the
+inbox file, even though their format is the same.
@vindex rmail-preserve-inbox
When getting new mail, Rmail first copies the new mail from the