readme.html - Issue 1621843002: ICU 56 update step 1

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Issue 1621843002: ICU 56 update step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@561

Patch Set: Created 4 years, 11 months ago

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Index: readme.html

diff --git a/readme.html b/readme.html

index 4f992452fbff3e57646329ec0768ce04e436bb16..486a78d435c635eee5aac5a1174d28a18a22c8c4 100644

--- a/readme.html

+++ b/readme.html

@@ -3,9 +3,9 @@

<head>

- <title>ReadMe for ICU 54.1</title>

+ <title>ReadMe for ICU 56.1</title>

"ICU; International Components for Unicode; ICU4C; what's new; readme; read me; introduction; downloads; downloading; building; installation;" />

@@ -17,38 +17,35 @@

<!--

classes to use with the "body" -

draft - if the release note is itself a draft (May be combined with the other two)

rc - if the release note is a release candidate

milestone - if the release note is a milestone release

-->

-

- <body>

+

+ <body class="rc">

+

<p class="only-draft"><b>Note:</b> This is a draft readme.</p>

<h1>

- <span class="only-draft">DRAFT</span>

- International Components for Unicode<br/>

- <span class="only-rc">Release Candidate</span>

- <span class="only-milestone">(Milestone Release)</span>

- <abbr title="International Components for Unicode">ICU</abbr> 54.1 ReadMe

- </h1>

+ <span class="only-draft">DRAFT</span>

+ International Components for Unicode<br/>

+ <span class="only-rc">Release Candidate</span>

+ <span class="only-milestone">(Milestone Release)</span>

+ <abbr title="International Components for Unicode">ICU</abbr> 56.1 ReadMe

+ </h1>

<p class="note only-milestone">This is a development milestone release of ICU

- This milestone is intended for those wishing to get an early look at new features and API changes.

- It is not recommended for production use.</p>

+ This milestone is intended for those wishing to get an early look at new features and API changes.

+ It is not recommended for production use.</p>

<p class="note only-rc">This is a release candidate version of ICU4C.

- It is not recommended for production use.</p>

+ It is not recommended for production use.</p>

- <p>Last updated: 2014-September-24<br />

+ <p>Last updated: 2015-Sep-07<br />

<hr/>

@@ -237,10 +234,66 @@

<h3>API Changes</h3>

<p>See the <a href="APIChangeReport.html">API Change Report</a> for a complete

- list of APIs added, removed, or changed in this release.</p>

+ list of APIs added, removed, or changed in this release.</p>

+

+ <h3>COLON withdrawn as date/time pattern character</h3>

+ <p>In ICU 55, COLON was introduced as a date/time pattern character

+ to be replaced by the value of the timeSeparator for the number

+ system being used; a corresponding new UDateFormatField

+ UDAT_TIME_SEPARATOR_FIELD was added. Use of COLON caused some

+ backwards compatibility problems, so it is being withdrawn as a

+ pattern character. However, UDAT_TIME_SEPARATOR_FIELD remains

+ as does the mechanism for replacing a pattern character with the

+ value of the timeSeparator; a new pattern character may be

+ assigned in the future.</p>

+ <h3>ICU Plugins: disabled by default</h3>

+ <p>ICU Plugins are now disabled by default. They may be enabled

+ with the configure option

+ <tt>--enable-plugins</tt> or by means of

+ <tt>#define UCONFIG_ENABLE_PLUGINS</tt>.

+ </p>

+

+ <h3>ICU 55: Layout Engine breaking API change</h3>

+ <p>The LayoutEngine (already deprecated) has had the function

+ <tt>LEFontInstance::getFontTable(LETag, size_t &length)</tt>

+ since ICU 52. Its implementation was optional. In ICU 55, this

+ version

+ of <tt>getFontTable</tt> has been made pure virtual, and the

+ version without a length (<tt>getFontTable(LETag)</tt>) has been

+ completely removed. This is a breaking change for users who have

+ not implemented the two-argument <tt>getFontTable()</tt>

+ function in their <tt>LEFontInstance</tt> subclasses.

+ The break is intentional, as the one-argument version cannot be

+ made secure. See <tt>LEFontInstance</tt> api docs for more detail.

+ </p>

+ <h3>ICU 55: Deprecations in PluralRules (plurrule.h)</h3>

+ <p>The following PluralRules methods never had an implementation

+ but were inadvertently marked @stable; they have now been

+ deprecated. [#<a href="http://bugs.icu-project.org/trac/ticket/10759">10759</a>]</p>

+ <ul>

+ <li><tt>double icu::PluralRules::getUniqueKeywordValue(const UnicodeString&)</tt></li>

+ <li><tt>int32_t icu::PluralRules::getAllKeywordValues(const UnicodeString&, double*, int32_t, UErrorCode&)</tt></li>

+ </ul>

+ <h3>ICU 55: Deprecate uidna.h functions for IDNA2003 support</h3>

+ <p>The IDNA2003 API has been deprecated; use the API for IDNA2008 / UTS #46 instead via

+ uidna_openUTS46() or class IDNA [#<a href="http://bugs.icu-project.org/trac/ticket/8477">8477</a>].

+ This applies to the following:</p>

+ <ul>

+ <li><tt>enum value UIDNA_ALLOW_UNASSIGNED</tt></li>

+ <li><tt>uidna_IDNToASCII</tt></li>

+ <li><tt>uidna_IDNToUnicode</tt></li>

+ <li><tt>uidna_compare</tt></li>

+ <li><tt>uidna_toASCII</tt></li>

+ <li><tt>uidna_toUnicode</tt></li>

+ </ul>

- <h3>Deprecation: Layout Engine</h3>

+ <h3>ICU 54: Deprecation of Layout Engine</h3>

<p>The LayoutEngine is now deprecated. Please

see <a href='http://userguide.icu-project.org/layoutengine'>the

User's Guide</a> for more details and migration recommendations.

@@ -254,21 +307,22 @@

instead of ICU as the layout engine. See <a href="http://userguide.icu-project.org/layoutengine">

the users' guide</a> for more information about how to build.

</p>

- <h3>Deprecation: Collation Short Strings</h3>

+ <h3>ICU 54: Deprecation of Collation Short Strings</h3>

<p>The collation short naming scheme and its API functions are deprecated.

Use ucol_open() with language tag collation keywords instead (see <a href="http://userguide.icu-project.org/collation/api">Collation API Details</a>). For example, <code>ucol_open("de-u-co-phonebk-ka-shifted", &errorCode)</code>

for German Phonebook order with "ignore punctuation" mode.</p>

- <h3>Deprecation: UCOL_TAILORINGS_VERSION</h3>

+ <h3>ICU 54: Deprecation of UCOL_TAILORINGS_VERSION</h3>

<p>This was originally intended to be the version of collation tailorings,

but that information is actually in the tailorings data and this

constant has always been (and now will continue to be) 1.</p>

- <h3>Deprecation (in ICU 53): TimeUnitFormat</h3>

+

+ <h3>ICU 53: Deprecation of TimeUnitFormat</h3>

<p>The TimeUnitFormat and its methods were actually deprecated in ICU 53 and the

class as a whole was tagged as deprecated in that release, but the status tags for

- the individual methods did not correctly indicate the deprecated status; now they do.

- Use the MeasureFormat class and its methods instead.</p>

+ the individual methods did not correctly indicate the deprecated status; they

+ do as of ICU 54. Use the MeasureFormat class and its methods instead.</p>

<h3>Full release notes and the latest updates</h3>

@@ -277,7 +331,7 @@

For more news about this release, as well as late-breaking news, see the

<a href="http://site.icu-project.org/download/54">ICU download page</a>.</p>

-

+

<h2><a name="Download" href="#Download" id="Download">How To Download the

Source Code</a></h2>

@@ -1793,7 +1847,7 @@ gnumake</pre>

</ul>

<hr />

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4400 North First Street<br />

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