[MacPerl] Mercutio MDEF bug

[Charles Albrecht <albrecht@gate.net>]

Ric Ford reports today on a bug in the Mercutio MDEF that has been
tracked down, <http://www.macintouch.com/mguard.html>.

The author of one of the fixes identifies MacPerl as one of the 
applications using Mercutio.

As far as the bug itself, "part of the Mercutio MDEF changes the state 
of some core graphics structures ont he Mac.  Technically speaking, 
it unlocks the GDevices.  QuickDraw unfortunately depends on the state
of these structures not changing..."

I don't know if MacPerl uses these parts of Mercutio, or even if it 
still uses/ever used the MDEF, so this may be a nonissue as far as 
MacPerl is concerned, but a couple of different bug fixes are 
available from Ric's page.  Reportedly, a fixed version of Mercutio 
will be available soon for developers to incorporate into new revs 
of their software.

-Charles Albrecht
 <albrecht@gate.net>

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