[comments] fixed edit button (source wasn't getting filled) [editor] fixed issue with PHP execution and preview (PHP code is executed now, ACL-permitting) [admin] added checkbox to toggle account activation status in user manager (thanks Manoj)

<?php

class Text_Wiki_Render_Plain extends Text_Wiki_Render {
    
    function pre()
    {
        return;
    }
    
    function post()
    {
        return;
    }
    
}
?>