+
+void
+ascii_test_set_length (struct output_driver *driver, int y, int length)
+{
+ struct ascii_driver *a = ascii_driver_cast (driver);
+
+ if (a->file == NULL && !ascii_open_page (a))
+ return;
+
+ if (y < 0 || y >= a->length)
+ return;
+ u8_line_set_length (&a->lines[y], length);
+}