[bpfk] Why recursion in BE?

[Gleki Arxokuna <gleki.is.my.name@gmail.com>]

Here is what we have:

; //////start/////////

linkargs <- linkargs-sa* linkargs-1

linkargs-1 <- BE-clause free* term links? BEhO-clause? free*

SPACE linkargs-sa <- linkargs-start (!linkargs-start (sa-word / SA-clause !linkargs-start ) )* SA-clause &linkargs-1

linkargs-start <- BE-clause

;; links <- BEI-clause free* term links?

links <- links-sa* links-1

links-1 <- BEI-clause free* term links?

; ////////end//////////

Now why links contains links-1 which again contains links?

Why recursion here?

There cannot be any branching / right-grouping here since "term" parallels "term" in "sentence" where we have:

terms <- terms-1+

terms-1 <- terms-2 (pehe-sa* PEhE-clause free* joik-jek terms-2)*

terms-2 <- term (cehe-sa* CEhE-clause free* term)*

Why not have something like:

links <- (links-sa* BEI-clause free* term)+
or 

links <- BEI-clause free* term (links-sa* BEI-clause free* term)*
?

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