rendition (as set by :meth:`bkgdset`) merged into them.
-.. method:: window.scroll(lines=1)
+.. method:: window.scroll([lines=1])
Scroll the screen or scrolling region upward by *lines* lines.
Availability: Unix.
-.. function:: mknod(filename, mode=0o600, device=0)
+.. function:: mknod(filename[, mode=0o600[, device=0]])
Create a filesystem node (file, device special file or named pipe) named
*filename*. *mode* specifies both the permissions to use and the type of node
simple calculations.
-.. method:: oss_audio_device.setparameters(format, nchannels, samplerate, strict=False)
+.. method:: oss_audio_device.setparameters(format, nchannels, samplerate[, strict=False])
Set the key audio sampling parameters---sample format, number of channels, and
sampling rate---in one method call. *format*, *nchannels*, and *samplerate*
Create a kqueue object from a given file descriptor.
-.. method:: kqueue.control(changelist, max_events, timeout=None) -> eventlist
+.. method:: kqueue.control(changelist, max_events[, timeout=None]) -> eventlist
Low level interface to kevent