BSD 4_4 release

[unix-history] / usr / src / bin / ed / ed.1

diff --git a/usr/src/bin/ed/ed.1 b/usr/src/bin/ed/ed.1
index 88b0393..6882268 100644 (file)
--- a/usr/src/bin/ed/ed.1
+++ b/usr/src/bin/ed/ed.1
@@ -1,11 +1,13 @@
 .\" Copyright (c) 1980, 1991 The Regents of the University of California.
 .\" All rights reserved.
 .\"
-.\" %sccs.include.proprietary.man%
+.\" This module is believed to contain source code proprietary to AT&T.
+.\" Use and redistribution is subject to the Berkeley Software License
+.\" Agreement and your Software Agreement with AT&T (Western Electric).
 .\"
-.\"    @(#)ed.1        6.8 (Berkeley) %G%
+.\"    @(#)ed.1        6.8 (Berkeley) 12/5/92
 .\"
-.Dd 
+.Dd December 5, 1992
 .Dt ED 1
 .Os ATT 7th
 .Sh NAME
@@ -14,6 +16,7 @@
 .Sh SYNOPSIS
 .Nm \&ed
 .Op Fl
+.Op Fl \&x
 .Op Ar file
 .Sh DESCRIPTION
 .Nm \&Ed
@@ -57,6 +60,13 @@ command (see below) on the named file; that is to say,
 the file is read into
 .Nm \&ed Ns 's
 buffer so that it can be edited.
+.Pp
+Available options:
+.Bl -tag -width Ds
+.It Fl \&x
+An
+.Cm \&x
+command is simulated first to handle an encrypted file.
 .It Fl
 Suppresses the printing
 of explanatory output
@@ -804,6 +814,17 @@ command is done,
 exiting the editor
 after the file is written.
 .Pp
+.It \&x
+A key string is demanded from the standard input.
+Later
+.Cm \&r , \&e
+and
+.Cm \&w
+commands will encrypt and decrypt the text
+with this key by the algorithm of
+.Xr crypt  1  .
+An explicitly empty key turns off encryption.
+.Pp
 .It Xo
 .Po Ad \&.+1
 .Pc Ns Cm \&z
@@ -938,3 +959,13 @@ command mishandles
 The
 .Cm \&undo
 command causes marks to be lost on affected lines.
+.br
+The
+.Cm \&x
+command,
+.Fl \&x
+option,
+and
+special treatment of hangups
+only work on
+.Ux .