status.i4.v = text_erase_line_c(row.i4.v [,coord_ref.i4.v])

	This routine erases the specified row in the presently active
	text window.

	row		text window row (first row is 1)
	[coord_ref]	coordinate reference
			(TEXT_CURSOR_TEXT_COORDS -> referenced to text window
			 TEXT_CURSOR_WINDOW_COORDS -> referenced to actual

	This function returns ACNET status values as follows:

	OK			success
	CBS_INVARG		invalid cursor positon 
	CBS_NOINIT		no previous call to text_cursor_init_c
				has been made

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	text_cursor_init_c, text_cursor_end, text_set_cursor_c,
	text_read_cursor_c, text_recolor_line_c, text_recolor_field_c,
	text_cursor_suspend_c, text_cursor_is_active

	C/C++ usage:

	int	status;
	int	row = 1;
	int	coord_ref = TEXT_CURSOR_TEXT_COORDS;

	status = text_erase_line_c(row,coord_ref);