Many users will hope to allow HTML to category description. Although this matter has been asked in the past many times, I think the exact hack way has not yet been shown.
http://www.question2answer.org/qa/28702/
Now, members of ASKIVE are studying it in ASKIVE based on "CKEditor For Admin" plugin. To achieve this, it is necessary to hack multiple sources. However, there will be worth. I hope that users who are interested in this matter participate in the thread (Requires knowledge of HTML and PHP). Of cource, I also welcome the participation of developers of Q2A core.
http://askive.cmsbox.jp/1043/
Best regards
