public string desc()
            {
                string lfn = fn;
                if (fn.StartsWith("mission/")) fn = fn.Substring(8);
                return "<" + fn + "@" + ptr.ToString("x") + "." +
                    ((ch >= 0 && ch < facebank.Length)
                        ? facebank[ch][0].Split('.')[0]
                        : "unknown" + (ch > 0 ? ch.ToString() : ""))
                        + "/" + ((meth.StartsWith("dlgSpeak")
                            ? meth.Substring(8)
                            : meth));
            }