ARABS SET TALKS ON PEACE TACTICS
Arab League on Sept 1 sets Oct 26 as date for conf of Arab leaders in Rabat, Morocco, to work out joint strategy for next phase of Middle East peace talks; 20 delegations also take up Palestinian request to enter question of Palestine as separate item on agenda of forthcoming UN General Assembly; request is believed certain to be endorsed by Arab League and to be supported later by so-called nonaligned nations; request was submitted by Palestine Liberation Orgn (PLO) chmn Yasir Arafat; Palestinians hope that their cause will be recognized as one of 'natl liberation' and that UN debate will increase their leverage in seeking their 'natl rights'; by this, they mean establishment of Palestinian state on west bank of Jordan River and in Gaza, both of which are occupied by Israel; by setting Oct date for Arab summit conf, delegates seem to have concluded that conflict between Jordan and Palestinians over who should repr west bank Palestinians in any peace talks will be left to Arab leaders to decide; Egyptian Pres Sadat's July communique with Jordanian King Hussein that PLO reprs all Palestinians except those in Jordan discussed (M)