[Unicode Announcement] Unicode 5.2 beta, updates of UAX #9 and UAX #31

As part of the Unicode 5.2 beta, the following proposed updates for

Unicode Standard Annexes have significant new revisions:

===

UAX #31 Unicode Identifier and Pattern Syntax

http://www.unicode.org/reports/tr31/tr31-10.html

The main changes are the addition of characters and new scripts to

tables for:

* Candidates for Inclusion in Identifiers

* Candidate Characters for Exclusions from Identifiers

* Recommended Scripts

===

UAX#9 Unicode Bidirectional Algorithm

http://www.unicode.org/reports/tr9/tr9-20.html

The main changes are the addition of:

* a section on Bidi Conformance Testing

* the Bidi_Class BN to Rule X6 (removing certain characters from

Bidi processing)

* a clause in HL6 providing for mirroring of R and AL characters in

certain circumstances

===

More details are in the Modifications section of each document, and

there remain some editorial notes asking for feedback on particular

issues. Feedback for both of these documents is solicited by August 3, 2009.

If you have comments for official UTC consideration, please post them by

submitting your comments through our feedback & reporting page:

http://www.unicode.org/reporting.html

If you wish to discuss issues on the Unicode mail list, then please use

the following link to subscribe (if necessary). Please be aware that

discussion comments on the Unicode mail list are not automatically

recorded as input to the UTC. You must use the reporting link above to

generate comments for UTC consideration.

http://www.unicode.org/consortium/distlist.html

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