was the fix in 7.5.3r2?
http://www.nzdl.org/cgi-bin/library.cgi?e=d-00000-00---off-0tidbits--00-0----0-10-0---0---0direct-10---4-------0-1l--11-en-50---20-preferences---00-0-1-00-0-0-11-1-0utfZz-8-00&cl=CL1.4&d=HASH011da4427147d071a5359625.5>=1
https://developer.apple.com/library/archive/technotes/ov/ov_01.html#//apple_ref/doc/uid/DTS10002599
Chooser Enhancements [Aug 01 1998]
Beginning with version 3.2, the Chooser has been enhanced to provide support for additional controls.