* progmodes/octave-inf.el (inferior-octave-has-built-in-variables):

	* progmodes/octave-inf.el (inferior-octave-has-built-in-variables):
	New defvar.
	(inferior-octave-resync-dirs): Check to see whether Octave has
	built-in variables and set inferior-octave-has-built-in-variables.
	Check inferior-octave-has-built-in-variables to decide whether to
	send commands that set built-in variables or call functions to
	change Octave's behavior.
	Send "disp (pwd ())" to Octave instead of just "pwd".
	(inferior-octave-startup): Send "more off" to Octave instead of
	"page_screen_output = 0".