since it's tinymce, I remember I've done it within the Joomla TinyMCE.
Anyways, the solution is described here
http://www.tinymce.com/wiki.php/Configuration:force_br_newlines
since it's tinymce, I remember I've done it within the Joomla TinyMCE.
Anyways, the solution is described here
http://www.tinymce.com/wiki.php/Configuration:force_br_newlines