XML Editors Overview and the Challenge to Build XML-Oriented Editor for Mediaeval Manuscript Descriptions

* The research presented here is partially supported by the project KT-DigiCult-Bg (FP6) and by the ICT Agency in Bulgaria.

Second Attempt to Build a Model of the Tic-Tac-Toe Game

* This publication is partially supported by the Bulgarian Ministry of Education (contract БОЕ 4-02/2004)