199   std::string error_msg;  in Execute()  local
202     error_msg.assign("ambiguous command ");  in Execute()
204     error_msg.assign("invalid command ");  in Execute()
206   error_msg.append("'");  in Execute()
207   error_msg.append(std::string(GetCommandName()));  in Execute()
208   error_msg.append(" ");  in Execute()
209   error_msg.append(std::string(sub_command));  in Execute()
210   error_msg.append("'.");  in Execute()
213     error_msg.append(" Possible completions:");  in Execute()
215       error_msg.append("\n\t");  in Execute()
216       error_msg.append(match);  in Execute()
219   error_msg.append("\n");  in Execute()
220   result.AppendRawError(error_msg.c_str());  in Execute()