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Tag(s): unicode

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Unicode locale extension BCP 47 Extension U published as RFC 6067

RFC 6067 specifies an extension to BCP 47. BCP 47 provides subtags that specify language and/or locale-based behavior.

Many locale identifiers require additional “tailorings” or options for specific values within a language, culture, region, or other variation. This extension provides a mechanism for using these additional tailorings within language tags for general interchange.

The maintaining authority for the extension defined by this document is the Unicode Consortium. The Unicode Consortium defines a standardized, structured set of locale data and identifiers for locale data in the “Common Locale Data Repository” or “CLDR”.

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Unicode version 6.0 released

The newly finalized Unicode Version 6.0 adds 2,088 characters, with over 1,000 new symbols.

The October 2010 release includes the Unicode Character Database (UCD), Unicode Standard Annexes (UAXes), and code charts. With the release of these components, implementers are able update their software to Unicode 6.0 without delay. The final text of the core specification will be available in early 2011.

U+1F4F1 MOBILE PHONE

A long-awaited feature of Unicode 6.0 is the encoding of hundreds of symbols for mobile phones. These emoji characters are in widespread use, especially in Japan, and have become an essential part of text messages there and elsewhere. Unicode 6.0 now provides for data interchange between different mobile vendors and across the internet. The symbols include symbols for many domains: maps and transport, phases of the moon, UI symbols (such as fast-forward) and many others – including the symbol for mobile phone itself.

U+20B9 INDIAN RUPEE SIGN

A late-breaking addition is the newly created official symbol for the Indian rupee. “With the help of the Indian government and our colleagues in ISO, we were able to accelerate the encoding process.” said Mark Davis, president of the Consortium. “Once computers and mobile phones update to the new version of Unicode, people will be able to use the rupee sign like they use $ or € now.”

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CLDR 1.9 Collation Changes proposed

The Unicode CLDR committee is making Unicode locale-sensitive collation a major focus for the next release, CLDR 1.9. There are specific changes for a large number of languages, plus a change in the default ordering of punctuation vs symbols for all languages.

See the background document for more information:
http://www.unicode.org/review/pr-175.html

If you have any feedback on any of the actions, please contact the Unicode Consortium as described in the background document.

Review period for this issue closes on October 1, 2010.

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Last Call draft for Unicode Locale extension published by IETF

In addition to providing the basis for language identification on the Web, BCP 47 language tags also are used to control language and culturally specific APIs on many systems. Based on work done by the Unicode Consortium, the proposed Language Tag Extension ‘U’ provides additional subtags that can be used to refine locale-based details such as calendar, sort order, and other locale details.

More information on Unicode Locales is available at the Unicode CLDR website or in UTS #35, LDML.

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The Unicode Consortium Releases CLDR, Version 1.8

The Unicode Consortium announced today the release of the new version of the Unicode Common Locale Data Repository (Unicode CLDR 1.8), providing key building blocks for software to support the world’s languages.

CLDR 1.8 contains data for 186 languages and 159 territories: 501 locales in all. Version 1.8 of the repository contains over 22% more locale data than the previous release, with over 42,000 new or modified data items from over 300 different contributors.

For this release, the Unicode Consortium partnered with ANLoc, the African Network for Localization, a project sponsored by Canada’s International Development Research Centre (IDRC), to help extend modern computing on the African continent. ANLoc’s vision is to empower Africans to participate in the digital age by enabling their languages in computers. A sub-project of ANLoc, called Afrigen, focuses on creating African locales.

For more information about Unicode CLDR 1.8, see the CLDR 1.8 Release Note.

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Unicode Releases Common Locale Data Repository, Version 1.7.2

The Unicode Consortium has just announced this new release of CLDR (Common Locale Data Repository), the largest and most extensive standard repository of locale data. This data is used for software internationalization and localization: adapting software to the conventions of different languages for such common software tasks as formatting of dates, times, time zones, numbers, and currency values; sorting text; choosing languages or countries by name; transliterating different alphabets; and many others. See more information about the Unicode CLDR project (including charts).

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Unicode Collation Algorithm Version 5.2 Released

Version 5.2 of the Unicode Collation Algorithm has been released. This version resynchronizes the Unicode Collation Algorithm with all
of the updates for the Unicode Standard, Version 5.2.

The rest of this post is taken from the Unicode Consortium’s release notification and details changes and issues for implementations.

  • The text of UTS #10 has been updated. Among other changes, the revised text for UTS #10 makes it clear that the BASE for implicit generation of weights for Han characters does not include unassigned code points.
  • There are small changes in Gujarati, Telugu, Malayalam (including weighting for chillus), Tamil, and Sinhala. While these changes move in the direction of expected behavior, good results will only come from tailoring for particular languages, such as with CLDR.
  • There have been significant changes to the ordering of many combining marks. Many combining marks that are not in customary use in modern languages now have the same secondary weight, and will only be distinguished on a fourth level, by code point ordering. This can be seen by looking at the Unicode Collation Charts (http://unicode.org/charts/collation/). In 5.2, many characters now have a white background, indicating that they sort exactly the same as the previous character, unless a 4th (codepoint) level is used.
  • Implementations of UCA should take note that the increased number of characters may cause overflows if the implementing code makes certain assumptions or optimizations. This can result either from the new character additions (which increase the number of distinct weights in the table) or because of changes in the way the weights, particularly for secondary weight values, are assigned in the table. The latter change may result in unexpected numbers of characters having the same weight.
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Unicode 5.2.0 Released

On 1st October, Unicode 5.2 was released! The data files, code charts, and Unicode Standard Annexes for this version are final and are posted on the Unicode site.

For Unicode 5.2, the core specification is no longer just a delta document applied to the book; instead, the entire core specification,with all textual changes integrated, will be available on the Unicode site. As of this announcement, the first five chapters are available; the other chapters will follow soon

For full details about what is new or changed in this release, see the version documentation for Unicode 5.2.

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