Seven years ago, Indonesian troops fired on pro-independence protesters in Dili, the East Timor capital. In Lisbon, Jamsheed Marker, the U.N. envoy for East Timor, said late Thursday that Portugal and Indonesia are mulling a new United Nations proposal that envisages broad autonomy for East Timor. Indonesian troops have been accused of widespread abuses in East Timor, 1,200 miles (1,900 kilometers) east of Jakarta. The Australian-based East Timor Human Rights Center, considered the main watchdog group for East Timorese rights, issued a statement Tuesday accusing the Indonesian military of executing 50 East Timorese and arresting 30 others, including two teen-age girls.