ICU-8855 update readme.html for M1

X-SVN-Rev: 30799
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Dragan Besevic 2011-10-04 20:44:22 +00:00
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<body class="draft">
<h1>International Components for Unicode<br />
<abbr title="International Components for Unicode">ICU</abbr> 49 ReadMe</h1>
<abbr title="International Components for Unicode">ICU</abbr> 49 (DRAFT - M1) ReadMe</h1>
<p>Last updated: 2011-Sep-20<br />
<p><b>Note:</b> This is a development milestone release of ICU4J 49.
The contents of this document may not reflect the recent changes done
for ICU 49 development. This milestone is inteneded for those wishing
to get an early look at ICU 4.8 new features and API changes. It is not
recommended for production use.
</p>
<p>Last updated: 2011-Oct-4<br />
Copyright &copy; 1997-2011 International Business Machines Corporation and
others. All Rights Reserved.</p>
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this release, see the <a href="http://site.icu-project.org/download">ICU
download page</a>.</p>
<h3>MessageFormat Changes</h3>
<p>MessageFormat and related classes (choice/plural/select) have been reimplemented,
with several improvements and some incompatible changes.
See the <a href="http://site.icu-project.org/download/48">ICU 4.8 download</a> page for details.</p>
<h3>Unknown system time zone - Etc/Unknown</h3>
<p>The behavior of the time zone factory method TimeZone::createTimeZone(const UnicodeString&amp;) has changed in this release.
When an unknown time zone ID is specified in the method, previous versions return a TimeZone instance
with ID "GMT" (offset 0 and no daylight saving time). In ICU 4.8, the method uses "Etc/Unknown" as the
time zone ID (but still offset 0 and no daylight saving time) for the case. Existing software checking
the returned time zone ID to validate the input ID may need to be updated to support the new behavior.</p>
<h3>C++ namespace support required</h3>
<p>ICU4C 49 requires C++ namespace support.
As a result, for example, rather than <code>U_NAMESPACE_QUALIFIER UnicodeString</code>