ICU-9233 Updated ICU4J readme for 50m1
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Yoshito Umaoka
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@ -13,12 +13,15 @@ h4.doc { text-decoration: underline }
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<body style="background-color: rgb(255, 255, 255);" lang="EN-US"
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link="#0000ff" vlink="#800080">
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<h2>International Components for Unicode for Java (ICU4J)</h2>
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<h3>Read Me for ICU4J 49.1</h3>
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(Last Update: March 16, 2012)
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<h3>Read Me for ICU4J 50 Milestone 1</h3>
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(Last Update: June 25, 2012)
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<hr size="2" width="100%">
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<p><b>Note:</b> This is major release of ICU4J. It contains bug fixes and adds implementations
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of inherited API and introduces new API or functionality.
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<p><b>Note:</b> This is a development milestone release of ICU4J 50.
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The contents of this document may not reflect the recent changes done
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for ICU 50 development. This milestone is intended for those wishing
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to get an early look at ICU 50 new features and API changes. It is not
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recommended for production use.
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</p>
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<p>For the most recent release, see the <a
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href="http://www.icu-project.org/download/"> ICU4J
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@ -125,32 +128,9 @@ found in ICU4J.</p>
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<h3 class="doc"><a name="changes"></a>Changes In This Release</h3>
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<h4>New features and changes</h4>
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<p>
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See the <a href="http://sites.google.com/site/icusite/download/49">ICU 49 download page</a> about
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new features in this release. The list of API changes since the previous ICU4J release
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is available
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<a href="http://source.icu-project.org/repos/icu/icu4j/tags/release-49-1/APIChangeReport.html">here</a>.
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</p>
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<h4>New ICU release version numbering</h4>
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<p>
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Starting this release, ICU release version numbering policy has changed to use a single
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major version field(e.g. "49") as oppose to two fields (e.g. "4.8"). The second field stays 0
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during development (e.g. "49.0.1" for ICU 49 development milestone 1) and the first official
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release within a major version is 1 (e.g. "49.1"). For the details, please refer to <a
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href="http://userguide.icu-project.org/design#TOC-Version-Numbers-in-ICU">Version Numbers
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in ICU</a>.
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</p>
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<h4>Locale variant for ICU4J Locale Service Provider</h4>
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<p>
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ICU4J Locale Service Provider uses a special Locale variant value for overriding Java's
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Locale service support. In this release, the default value of the special variant was
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changed to "ICU4J" (previously, it was "ICU"). For example, with JDK Locale("en", "US", "ICU4J"),
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ICU service implementation is used instead of Java's stock implementation for Locale("en", "US").
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This change had made for BCP 47 conformance. The special variant value can be changed by
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editing a properties file included in the ICU4J Locale Service Provider jar file.
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Please see the user guide page <a href="http://userguide.icu-project.org/icu4j-locale-service-provider">
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ICU4J Locale Service Provider</a> for the details.
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See the <a href="http://sites.google.com/site/icusite/download/50milestone">ICU 50 milestone download page</a>
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about new features in this release. The list of API changes since the previous ICU4J release is available
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<a href="http://source.icu-project.org/repos/icu/icu4j/tags/milestone-50-0-1/APIChangeReport.html">here</a>.
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</p>
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<h3 class="doc"><a name="license"></a>License Information</h3>
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@ -180,7 +160,7 @@ package.
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</p>
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<h3 class="doc"><a name="PlatformDependencies"></a>Platform Dependencies</h3>
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<p>
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ICU4J 49 depends on J2SE 5.0 functionality. Therefore, ICU4J only runs on
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ICU4J 50 depends on J2SE 5.0 functionality. Therefore, ICU4J only runs on
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JRE version 5.0 or later.
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The table below shows the operating systems and JRE/VM versions currently
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used by the ICU development team to test ICU4J.
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@ -845,54 +825,54 @@ from release to release, so clients should not depend on the exact
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organization
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of the data in ICU4J.</p>
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<ul>
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<li>The primary <b>locale data</b> is under the directory <tt>icudt49b</tt>,
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<li>The primary <b>locale data</b> is under the directory <tt>icudt50b</tt>,
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as a set of <tt>".res"</tt> files whose names are the locale identifiers.
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Locale naming is documented the <code>com.ibm.icu.util.ULocale</code>
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class, and the use of these names in searching for resources is documented
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in <code>com.ibm.icu.util.UResourceBundle</code>.</li>
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<li>The <b>collation data</b> is under the directory <tt>icudt49b/coll</tt>,
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<li>The <b>collation data</b> is under the directory <tt>icudt50b/coll</tt>,
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as a set of <tt>".res"</tt> files.</li>
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<li>The <b>currency display name data</b> is under the directory <tt>icudt49b/curr</tt>,
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<li>The <b>currency display name data</b> is under the directory <tt>icudt50b/curr</tt>,
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as a set of <tt>".res"</tt> files.</li>
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<li>The <b>language display name data</b> is under the directory <tt>icudt49b/lang</tt>,
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<li>The <b>language display name data</b> is under the directory <tt>icudt50b/lang</tt>,
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as a set of <tt>".res"</tt> files.</li>
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<li>The <b>region display name data</b> is under the directory <tt>icudt49b/region</tt>,
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<li>The <b>region display name data</b> is under the directory <tt>icudt50b/region</tt>,
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as a set of <tt>".res"</tt> files.</li>
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<li>The <b>rule-based transliterator data</b> is under the directory
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<tt>icudt49b/translit</tt>, as a set of <tt>".res"</tt> files.</li>
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<tt>icudt50b/translit</tt>, as a set of <tt>".res"</tt> files.</li>
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<li>The <b>rule-based number format data</b> is under the directory
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<tt>icudt49b/rbnf</tt>, as a set of <tt>".res"</tt> files.
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<tt>icudt50b/rbnf</tt>, as a set of <tt>".res"</tt> files.
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<li>The <b>break iterator data</b> is directly under the
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directory <tt>icudt49b</tt>, as a set of <tt>".brk"</tt> files, named according to the
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directory <tt>icudt50b</tt>, as a set of <tt>".brk"</tt> files, named according to the
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type of break and the locale where there are locale-specific versions.</li>
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<li>The <b>holiday data</b> is under the directory <tt>icudt49b</tt>,
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<li>The <b>holiday data</b> is under the directory <tt>icudt50b</tt>,
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as a set of <tt>".class"</tt> files, named <tt>"HolidayBundle_"</tt>
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followed by the locale ID.</li>
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<li>The <b>character property data</b> and default <b>unicode collation algorithm
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(UCA) data</b> is found under the directory <tt>icudt49b</tt>, as a set of
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(UCA) data</b> is found under the directory <tt>icudt50b</tt>, as a set of
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<tt>".icu"</tt> files. </li>
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<li>The <b>normalization data</b> is found under the directory <tt>icudt49b</tt>,
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<li>The <b>normalization data</b> is found under the directory <tt>icudt50b</tt>,
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as a set of <tt>".nrm"</tt> files. </li>
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<li>The <b>character set converter data</b> is under the directory
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<tt>icudt49b</tt>, as a set of <tt>".cnv"</tt> files. These files are
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<tt>icudt50b</tt>, as a set of <tt>".cnv"</tt> files. These files are
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currently included only in icu-charset.jar.</li>
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<li>The <b>time zone rule data</b> is under the directory
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<tt>icudt49b</tt>, as <tt>zoneinfo64.res</tt>.</li>
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<tt>icudt50b</tt>, as <tt>zoneinfo64.res</tt>.</li>
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<li>The <b>time zone display name data</b> is under the directory
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<tt>icudt49b/zone</tt>, as a set of <tt>".res"</tt> files.</li>
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<tt>icudt50b/zone</tt>, as a set of <tt>".res"</tt> files.</li>
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</ul>
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<p>
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Some of the data files alias or otherwise reference data from other
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@ -988,8 +968,8 @@ ICU4J data is built by ICU4C tools. Please see "icu4j-readme.txt" in <I>$icu4c_r
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<I> Note: This procedure assumes that all 3 sources are present</I>
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<ol>
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<li>Checkout or download CLDR version 'release-21-0-1'</li>
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<li>Checkout ICU4C with tag 'release-49-1'</li>
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<li>Checkout ICU4J with tag 'release-49-1'</li>
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<li>Checkout ICU4C with tag 'milestone-50-0-1'</li>
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<li>Checkout ICU4J with tag 'milestone-50-0-1'</li>
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<li>cd to <I>$icu4c_root</I>/source/data directory</li>
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<li>Follow the instructions in <I>$icu4c_root</I>/source/data/cldr-icu-readme.txt</li>
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<li>Rebuild ICU4C with the newly generated data.</li>
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@ -1001,7 +981,7 @@ ICU4J data is built by ICU4C tools. Please see "icu4j-readme.txt" in <I>$icu4c_r
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</ol>
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<h3 class="doc"><a name="timezone"></a>About ICU4J Time Zone</h3>
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<p>ICU4J 49.1 includes time zone data version 2012b, which is the latest one as of
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<p>ICU4J 50M1 includes time zone data version 2012c, which is the latest one as of
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the release date. However, time zone data is frequently updated in response
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to changes made by local governments around the world. If you need to update
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the time zone data, please refer the ICU user guide topic
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