{2}# tcl tests {0} {2}#simple example {0} {12}proc{0} {7}Echo_Server{0} {6}{{7}port{6}}{0} {6}{ {0} {12}set{0} {7}s{0} {6}[{12}socket{0} {10}-server{0} {7}EchoAccept{0} {8}$port{6}] {0} {12}vwait{0} {7}forever{0} {6}}