From: Mark Davis ⌛ (email@example.com)
Date: Thu Aug 27 2009 - 19:44:11 CDT
The key is the statement "*Ignore Format and Extend characters, except when
they appear at the beginning of a region of text. (See Section 6.2, Replacing
If you do follow the link to 6.2, it explicitly says:
** Replace the “Ignore” rule by the following, to disallow breaks within
sequences (except after CRLF and related characters):* [My bolding]
*So it is not meant to apply to the sequence CR Extend.*
*The phrase *"beginning of a region of text"* should be clarified, because
it is intended not to span a ÷ boundary introduced by previous rules (in
this case, S1-S3). I'll run this by the ed committee to see if an editorial
change is in order.
(I think Eric M might have been using an earlier version, because his
numbering was off. I'm looking at
On Thu, Aug 27, 2009 at 17:09, Eric Muller <firstname.lastname@example.org> wrote:
> Mark Davis ⌛ wrote:
>> Because SB5 doesn't match at the start, you keep on going through the
>> rules, and finally end up not breaking.
> You are saying that SB11 does not apply on <lower lower aterm close lf ext
> ? upper lower lower> to use your example (with ? being the position
> I just don't see how that can be inferred from the text. The rules in 6.2
> that describe the insertion of "(Extend|Format)*" do not say "insert only in
> some cases and not in others".
> On the other hand, looking at the rules in the CLDR (for root), I see that
> the variables Sep, CR and LF are not extended with $FE* like all the others.
> Hence my sudden doubt.
> I agree that the wording is not as clear as it should be.
> Especially if it doesn't say what you want it to say ;-)
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