Machine() function not showing Mac?

[graham samuel]

Folks, when I put in a handler or in the message box

  put the machine
  or
put machine()

On Windows XP SP2, I get

x86

but on a Mac (Blue and White G3, running 10.3.7), I get

unknown

The platform() function works fine on both machines.

I haven't got access to another Mac at the moment to see if this 
problem exists on other models.

I couldn't find anything in Bugzilla, tho maybe my searching wasn't 
very expert. If someone will confirm it, I will add it to BZ.

Graham
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Graham Samuel / The Living Fossil Co. / UK and France