[lojban] proposed grammar definition for ZOhOI

[".alyn.post." <alyn.post@lodockikumazvati.org>]

In discussion with xalbo on #lojban, This is the proposed definition
for ZOhOI as expressed in PEG.  The '...' productions are existing
rules in the grammar that surround the new definitions, which are
shown here.

  ZOhOI <- &cmavo ( z o h o i ) &post-word -> ZOhOI

  ZOhOI-clause    <- ZOhOI-pre ZOhOI-post
                  -> ZOhOI-clause
  ZOhOI-pre       <- pre-clause ZOhOI `spaces? non-lojban-word `spaces?
  ZOhOI-post      <- post-clause

  CMAVO           <- ...
                   /  ZOhOI
                   /  ...

  sumti-6         <- ...
                   / ZOhOI-clause free*
                   / ...

  known-cmavo-sa  <- ...
                   / ZOhOI-pre
                   / ...

  ;; I'm not certain of the postfix to use here, this needs testing.
  ;; It may be just 'ZOhOI'
  ;;
  known-cmavo-pre <- ...
                   / ZOhOI-pre
                   / ...

There are a small number of issues surrounding the ZOhOI-pre clause,
and what exactly consitutes a non-lojban-word.  All of this is
untested, I wrote this up as a proof of concept.  I'm hoping this
can be a contribution to a definition of ZOhOI formal enough to
present to the BPFK.

-Alan
-- 
.i ko djuno fi le do sevzi

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