Bidi - BN - clarifying suggestion

[Harald Alvestrand]

Vint Cerf wrote:
> john,
>
> that is a good point - harald will that work for you?
I can't tell the difference between the two, so I'm happy with "for 
example" if John thinks it makes a difference.

In both cases, BN is allowed, and the reader is told that ZWNJ and ZWJ 
belong in that class.
>
>>> I think the smallest possible change that addresses the issue
>>> of BN is this:
>>>
>>> OLD:
>>>
>>>   o  BN - Boundary Neutral - control characters
>>>
>>> NEW:
>>>
>>>   o  BN - Boundary Neutral - control characters, including
>>> ZWNJ and ZWJ
>>>
>>> Those two characters are, AFAIK, the only two BN characters
>>> that are allowed by -protocol, so indicating that these two
>>> are members of BN should be a sufficient indication of why the
>>> class is included in the BIDI algorithm.
>>
>> I can live with "including...", but this comes _really_ close to
>> requiring a change to Bidi if the list in Tables changes.  "For
>> example" would make me happier.