                     resolution : @get_resolution()
                     cb         : cb
             else
-                alert_message(type:"error", "Unknown location in '#{file}'.")
+                alert_message
+                    type    : "error"
+                    message : "Unknown location in '#{file}'."
                 cb?()
                 return
         else

    _show_error_in_file: (mesg, cb) =>
        file = mesg.file
        if not file
            alert_message(type:"error", "No way to open unknown file.")
            cb?()
            return
        if not mesg.line

        opts.cb = (err, res) =>
            if err
                if active
                    alert_message
                        type    : "error"
                        message : "Inverse search error -- #{err}"
            else
                if res.input != @filename
                    if active
