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MacOS 9 Control Panels

It seems that some MacOS control panels that worked in the MacOS emulation environment of version 10.1 of NeXTStep (‘Mac OS X’) are disabled in 10.2. This is a shame, since there are at least some that are still extremely useful in NeXTStep. For instance, the Retrospect Backup Client still lets you back up NeXTStep clients over AppleTalk.

Since these control panels worked under previous versions, is there anything that really prevents them from working under 10.2? Apparently, not necessarily. Rummaging through the MacOS 9 control panels it's easy to find some that are supported. Simply:

make a copy of a supported control panel;
copy the resources from the desired control panel (i.c., Retrospect Client) to the new copy;
if the desired control panel has INITs (check the ‘n’ attribute using GetFileTools from the Developer Tools), make sure that bit is set in the copy (use SetFile from the Developer Tools);

Of course, the real solution to this problem would be to find out how NeXTStep decides which control panels to support. Until I do, this works.