From: Mark Davis ☕ <>
Date: Fri, 19 Aug 2011 09:35:49 -0700

All of the property assignments to PUA characters (except the GC) are purely
informative. The property assignments that are there are simply based on the
likelyhood of property assignment, and can be freely overridden by
implementations. It is just more likely that PUA characters are bc:L than
that they are bc:ON or bc:R.

Similarly, there are no numeric values for any of the PUA characters: that
doesn't prevent anyone from assigning PUA characters to numbers and giving
them numeric values (and types). Nor is someone prevented from given them
Word_Break properties, etc.

While this is stated in the standard, we should probably also note it in the
UCD annex:

Received on Fri Aug 19 2011 - 11:37:02 CDT

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