I want to share a mapped file between asynchronous j6 and j7
processes. Can j7 map a .jmf file created and mapped by j6? Or
vice-versa? (Or be persuaded to?)

I guess not, because I get the following error message in JHS...

|bad jmf header: assert
|   'bad jmf header'    assert 0[free fh,mh,fad

I shall experiment with text files instead of jmf's, but can anyone
foresee further problems arising? The file only needs to contain a
single numeral.

   JVERSION
Engine: j701/2011-01-10/11:25 build: Feb  6 2011 16:16:29
Library: 7.01.055
Platform: Darwin 64
Installer: j701a_mac64.dmg
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