NED+mta-filters(_at_)mauve(_dot_)mrochek(_dot_)com writes:
I also don't think that saying that :count tests perform a preliminary count
like :index :last is especially useful - can you think of a case where you'd
want to delete all headers of a given type based on how many of them are
present? I can't.
It's far-fetched, but deleting both subject fields if there are two or
more? I think most people choose to use the first. Choosing to delete both
isn't entirely unreasonable, though.
The same applies to other header fields that may occur at most once.
Arnt
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