pkg://jed-xjed-0.99.17-0.111.2mdk.i586.rpm:332916/HEADER  downloads

Name        : jed-xjed                     Relocations: (not relocateable)
Version     : 0.99.17                           Vendor: Mandriva
Release     : 0.111.2mdk                    Build Date: Wed Aug 10 20:35:37 2005
Install date: (not installed)               Build Host: n1.mandriva.com
Group       : Editors                       Source RPM: jed-0.99.17-0.111.2mdk.src.rpm
Size        : 774736                           License: GPL
Packager    : Nicolas Lécureuil <neoclust@mandriva.org>
URL         : http://space.mit.edu/~davis/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.