Unoffical Patch #17	(larry@garfield.cs.mun.ca Nov 19, 1991)

	- core dump due to selecting last_article+1 on screen

	- core dump due to consolidating (closing) last subject in a group
  	  under certain circumstances.

	- selecting consolidated articles with = command did not highlight
  	  the selected consolidated articles correctly.

	- fixed unconditional CLEAR TO END OF LINE that erased the next line on
  	  some terminals.

Unofficial Patch #18	(larry@garfield.cs.mun.ca;  Dec  1, 1991)

	- possible core dump/strange behavior when using '=' command to
	  return to the menu from article reading mode.
	  (Reported by Olaf Schlueter [olaf@oski.toppoint.de])

	- articles marked as A_LEAVE_NEXT ('=') are not given any special
	  attention in consolidated menu mode.  I considered this incorrect
	  (I leave stuff around all the time :) and modified nn's behavior
	  to notice them.

	- unable to de-select an auto-selected subject when using
	  consolidated-menu mode.
