What is a language construct? (was Re: Comment on state of Project Jigsaw)

[mark.reinhold at oracle.com]

2011/12/21 10:33 -0800, neal at gafter.com:
> My main high-level comment on project Jigsaw is that is fails its first
> principle: modularity appears in the draft not to be a language construct,
> but at best a completely separate language from the Java programming
> language.

Module declarations control the visibility and accessibility of types in
all phases of development.

If that's not sufficient to make them a language construct, then what is
your criterion?

- Mark