[developers] active/passive parser bug

[Ben Waldron]

Items #239 and #241 of the CSLI test suite produce many more parses when 
processed in passive rather than active mode. This would appear to be a 
bug. Behaviour for item #239 is copied below.

-Ben

==

LKB(6): *active-parsing-p*
T
LKB(7):
retrieve(): found 1 item (0 output specifications).
(239) `Abrams sees Browne as being a competent manager.' [100000] --- 2 
(1.16|1.12:1.12 s) <36:1038> {3372:539} (10.0M 132.5M 668 = 142.5M) [0].

LKB(7): (setf *active-parsing-p* nil)
NIL
LKB(8):
retrieve(): found 1 item (0 output specifications).
(239) `Abrams sees Browne as being a competent manager.' [100000] --- 6 
(23.34:20.92|23.32:23.32 s) <40:1341> {11360:838} (21.5M 419.9M 14.6K = 
441.4M) [2].