[sv-ac] 1648: name resolutsion vs. default disable iff

Hi Lisa:

You will have seen the mail that I sent to Gord about
the paragraph that you cited from 22.8.

For the purposes of disable iff resolution, it is not
necessary that the rule be aligned with that for 
name resolution of variables (which according to Draft4 
22.8 stops at module boundaries).

Searches for non-variable items can continue upward from
module boundary.

SV-BC may be working on changing this rule, and resolution
of the disable iff does not have to align to the rule about
variables that says that the upward search stops at module
boundaries.

I think we should add back into the 1648 proposal some language 
that says clearly that a default disable iff from an enclosing 
scope applies in a nested scope if the nested scope does not 
declare its own default disable iff.

J.H.

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