{"msg":{"caption":"","file_name":"f","pos_col":0,"pos_line":6,"severity":"error","text":"invalid expression, `)` expected"},"response":"additional_message"}
{"msg":{"caption":"","file_name":"f","pos_col":27,"pos_line":7,"severity":"error","text":"invalid expression, `)` expected"},"response":"additional_message"}
{"message":"file invalidated","response":"ok","seq_num":0}
{"response":"ok","seq_num":4}
{"record":{"full-id":"tactic.abstract","source":,"type":"tactic unit → opt_param (option name) none → opt_param bool tt → tactic unit"},"response":"ok","seq_num":7}