Date:        Mon, 4 Mar 2019 09:54:26 +0000
    From:        Geoff Clare <g...@opengroup.org>
    Message-ID:  <20190304095426.GA14927@lt2.masqnet>

  | I don't think multiple expansions of $@ in the same word have been
  | discussed before.  Something to consider in this new work we are doing.

It is worth remembering, but is not all that interesting really.   Each
expansion happens according to the rules, the rules for joining parts of
the word before and after a $@ apply, and result in the right things
happening - $@$@$@ isn't really any different than $A$@$B, or not in
the basic principles.   It doesn't even matter which of the three is
expanded first (and I suspect not even if someone worked out a way to
do multiple expansions in parallel, and thought it worthwhile to implement).

kre


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