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From: carlglassberg@gmail.com
Newsgroups: comp.compilers
Subject: Re: A minimal LL(1) parser generator ?
Date: Wed, 1 Jan 2020 01:02:26 -0800 (PST)
Organization: Compilers Central
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Xref: csiph.com comp.compilers:2421

On Tuesday, December 31, 2019 at 8:42:51 AM UTC-8, Anton Ertl wrote:
> carlglassberg@gmail.com writes:
> >Gray's meta notation uses a postix operator "&&" for "separator list".
...
> >If Gray: "a b &&" ---> EBNF: "a { b a }"
...
> >then  ...
...
> >"a b && c &&"
>
> The left operand of the second && would be "a b &&", so the whole
> thing would be equivalent to
>
> a {b a} {c {a {b a}}}
...

Should that be ?
a {b a} { c a {b a}}

Also, would
  a b && c d &&
parse as:
  a { b a } c { d c }
or as:
  a { b a } c { d a { b a } c }

???

Carl