If I'm understanding the situation correctly, this is going to be a
flag day thing, right? You must upgrade to nmh 1.7 at the same time
you upgrade to exmh-whatever, because neither new nmh with old exmh
nor the reverse case will work?
No, not at all.
AFAIK, nmh has ALWAYS (like, way back in 1.0) shipped a mhbuild program.
So as long as you're not using vanilla MH, it shouldn't matter.
--Ken
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