Re: ID_Start, ID_Continue, and stability extensions

From: Mark Davis ☕️ <>
Date: Tue, 29 Apr 2014 07:04:11 +0200

On 25 April 2014 20:53, Karl Williamson <> 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

And the regex recommendations in are
different, so you may be referring to them.

Mark <>

*— Il meglio è l’inimico del bene —*

Unicode mailing list
Received on Tue Apr 29 2014 - 00:05:30 CDT

This archive was generated by hypermail 2.2.0 : Tue Apr 29 2014 - 00:05:30 CDT