ID_Start, ID_Continue, and stability extensions

[Mark Davis ☕️]

On 25 April 2014 20:53, Karl Williamson <public at khwilliamson.com> wrote:

> And in fact in some Unicode releases, they contained errors.


I think you know this, but for others.

A derived property value in the UCD is defined by the value in the derived
data file, NOT by the derivation.​ Of course, the value might not follow
the intent, just with any other property, and there are fixes to
properties, whether derived or not, in each release. And sometimes the
statement of the derivation is changed, and sometimes property values are
changed.

And the regex recommendations in
http://www.unicode.org/reports/tr18/#Compatibility_Properties are
different, so you may be referring to them.

Mark <https://google.com/+MarkDavis>

*— Il meglio è l’inimico del bene —*
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