This article is from the Apple II GNO FAQ, by Devin Reade with numerous contributions by others.
A#13.2: Splat was not originally designed for GNO. When GNO does a fork(2) or fork2(2) call, some very non-standard things are happening in the IIgs execution environment. Splat cannot currently handle these operations. A request has been submitted to the author of Splat! for an upgrade to handle this behavior but he has not yet had time to do it; he is also busy working on other IIgs projects.
 
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