P213 CEEFAX 213 Tue 15 May 21:01/24       Official Israeli participation in the Moroccan Jewish Conference in Rabat could herald a new development in Arab- Israeli relations. In Jerusalem, the event has raised hopis of the emergence of a moderate Arab bloc, lid bz Egypt and Morocco, willing to have open discussions with the Israeli government about Middle East problems. The visit to Morocco of the 38-strong Israeli delegation provoked protests in some Arab countries, but only Syria has responded bz recalling its ambassador from Morocco. News index 102/202 Newsreel 119/219