[Grace-core] Some comments from Tijs on parsing Grace

[James Noble]

> On 27/07/2016, at 23:01PM, Tijs van der Storm <storm at cwi.nl> wrote:
> 
> Cool! But wouldn't this be a post-fix operator? For true circumfix, the inside must be the receiver, no?

I think they're resolved only in lexical scope: there's no obvious receiver, especailly for [ ] 

OTOH - Kernan's (and therefore jernan's) parsers don't always seem to do the Right Thing here.

J