[Grace-core] minor language issues

[James Noble]

>> or should we write it  x.foo foo
>> 
>> (note that the current syntax does NOT support this!)
> 
> Note also that this entire paragraph (and, in fact, perhaps the
> majority of prose text! I'm not sure) would be syntactically valid

yes i know… 

> it lets you copy more fourteenth-century
> Italian poetry into your exams verbatim, so there's that)

well I might have done that, but only once, surely.

>> x.foo( "A", "B") stuff [1, 2, 3]
>> x.foo( "A", "B") stuff [1]
>> x.foo( "A", "B") stuff []

> This version is not syntactically compatible with indexing operators,
> so you'd have to choose one or the other.

spaces would be significant - that’s the downside.

so «stuff[2]» is indexing, while «stuff [2]» is a method taking a literal argument

just as «stuff<T>» is generic but «stuff < 2» is a comparison

J