Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!gate.oxy.edu!oxy!schorsch
From: schorsch@oxy.edu (Brent William Schorsch)
Newsgroups: comp.sys.mac.programmer
Subject: jGNEFilter
Message-ID: <156750@tiger.oxy.edu>
Date: 30 Mar 91 21:50:46 GMT
Organization: Occidental College, Los Angeles, CA  90041
Lines: 13

I am implementing a "tail patch" of GetNextEvent via the jGNEFilter
mechanism.  While the relevant tech note discusses how to implement this,
it does not mention if or how I need to call any previously installed
filter...  Currently, I am simply comparing the value I saved prior to
installing my routine in jGNEFilter to #0x00000000.  If the value
differs, I jump to it via   Jsr  (A0)	(where of course A0 is the
previous value).

If this is incorrect, please drop a quick e-mail to inform me.
If this is correct, then why does it fail (ie cause crashes/freezes) on
7.0b4?	(My fault, Apple's fault?)

Thanks.   schorsch@tiger.oxy.edu