pkg://jed-xjed-0.99.18-2mdv2008.0.i586.rpm:142437/HEADER  downloads

Name        : jed-xjed                     Relocations: (not relocateable)
Version     : 0.99.18                           Vendor: Mandriva
Release     : 2mdv2008.0                    Build Date: Wed Aug 15 08:34:50 2007
Install date: (not installed)               Build Host: n4.mandriva.com
Group       : Editors                       Source RPM: jed-0.99.18-2mdv2008.0.src.rpm
Size        : 302460                           License: GPLv2+
Packager    : Adam Williamson <awilliamson@mandriva.com>
URL         : http://www.jedsoft.org/jed/
Summary     : The X Window System version of the Jed text editor
Description :
Xjed is a version of the Jed text editor that will work with the X Window
System.

You should install xjed if you like Jed and you'd like to use it with X.
You'll also need to have the X Window System installed.