More sanity checks in v3

[Alan DeKok]

On Apr 28, 2015, at 12:40 PM, Matthew Newton <mcn4 at leicester.ac.uk> wrote:
> I guess it's historical, but just wondering why unquoted strings
> are permitted at all.

  Historical.

> Can they be removed in 3.1?

  Probably, yes.  Arran and I have had a number of discussions around this.

  Some unquoted strings should be allowed, where the context is clear.  e.g. the RHS of the following:

	if (&NAS-Port-Id == 0)

  For the left side, using unquoted strings is almost always wrong.

  Alan DeKok.