Auto TrackBack by Category
Enables authors to associate trackback URI's to WordPress categories, and WordPress will autofill the URI into the trackback field for any posts in that category.
Copyright 2004 Paul Young (email: firstname.lastname@example.org) 2007 and Inoue DAISUKE, update for WordPress 2.3
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Many thanks to Keith McDuffee @ http://www.gudlyf.com/ whose Category Visibility plugin provided much of the framework for this plugin. (from Paul Young)
Thank you, Mr. Paul Young. Original of this plugin is very useful. I can't stand left not working with WordPress 2.3. (from Inoue DAISUKE)