Major changes in ICU 3.6 include the following:
- Unicode: ICU uses and supports Unicode 5.0, which is the latest major release of Unicode. Unicode 5.0 will be used in many operating systems and applications, and this version of ICU is important maintain interoperability with these new operating systems and applications. More information about Unicode 5.0 can be found in the Unicode press release.
- Locale Data: ICU uses and supports data from Common Locale Data Repository (CLDR) 1.4, which includes many improvements in quality and quantity of data. There is 25% more CLDR locale data in 245 locales in ICU.
- ICU4C Specific Changes
- Charset Detection: A charset detection framework was added, which provides heuristics for detecting the charset for unlabeled sequences of bytes.
- Layout: The font layout engine has support added for Tibetan, Sinhala and Old Hangul.
- BiDi: The BiDi algorithm was enhanced to be more flexible and efficient
- ICU Data Management: The new icupkg tool provides an easier way to manage ICU's data library. This tool allows you to add, update or remove data from ICU's data archive.
- Time Zones The time zone data is modularized to allow easier building and updating of the data.
- Word Boundaries: The Thai word break iteration was improved to be more accurate. Also dictionary based detection of Thai word boundaries is now active for all locales.
- UText
- The BreakIterator uses UText for abstract text processing.
- 64-bit indexing is now used to allow access to larger chunks of text.
- API for read-only locking for security and robustness was added.
- Performance
- The u_sprintf/u_sscanf performance from the icuio library has been improved for number formatting/parsing.
- Constructing a DateFormat is significantly faster for many locales.
- Opening and closing a charset converter is significantly faster.
- The UTF-8 transformation functions and macros are faster.
- The UText API was improved for performance.
- The collation open and close functions have a small performance improvement.
being here, update to 3.4.1
changes:
-Updated timezone data
-Improved portability
-Improved default codepage and default locale detection.
-A number of collation bug fixes.
and add a new helper target and script, "show-buildlink3", that outputs
a listing of the buildlink3.mk files included as well as the depth at
which they are included.
For example, "make show-buildlink3" in fonts/Xft2 displays:
zlib
fontconfig
iconv
zlib
freetype2
expat
freetype2
Xrender
renderproto
RECOMMENDED is removed. It becomes ABI_DEPENDS.
BUILDLINK_RECOMMENDED.foo becomes BUILDLINK_ABI_DEPENDS.foo.
BUILDLINK_DEPENDS.foo becomes BUILDLINK_API_DEPENDS.foo.
BUILDLINK_DEPENDS does not change.
IGNORE_RECOMMENDED (which defaulted to "no") becomes USE_ABI_DEPENDS
which defaults to "yes".
Added to obsolete.mk checking for IGNORE_RECOMMENDED.
I did not manually go through and fix any aesthetic tab/spacing issues.
I have tested the above patch on DragonFly building and packaging
subversion and pkglint and their many dependencies.
I have also tested USE_ABI_DEPENDS=no on my NetBSD workstation (where I
have used IGNORE_RECOMMENDED for a long time). I have been an active user
of IGNORE_RECOMMENDED since it was available.
As suggested, I removed the documentation sentences suggesting bumping for
"security" issues.
As discussed on tech-pkg.
I will commit to revbump, pkglint, pkg_install, createbuildlink separately.
Note that if you use wip, it will fail! I will commit to pkgsrc-wip
later (within day).
developer is officially maintaining the package.
The rationale for changing this from "tech-pkg" to "pkgsrc-users" is
that it implies that any user can try to maintain the package (by
submitting patches to the mailing list). Since the folks most likely
to care about the package are the folks that want to use it or are
already using it, this would leverage the energy of users who aren't
developers.
New Features:
Major changes in ICU 3.4 include the following:
Updates to conform to Unicode 4.1, including new characters
properties and values, text segmentation, plus collation
updated for Unicode Technical Standard #10 (UCA) and regex
updated for Unicode Technical Standard #18.
* Updates to conform to the Common Locale Data
Repository (CLDR), Version 1.3 for the latest locale
data. This includes:
* New data to support localization of timezones,
United Nations M.49 regions (including continents
and regions), mappings from language to script
and territory.
* Consolidation of inherited data and improved
resource aliasing for smaller data footprint
* Additional locales, and many other fixes and
additions of locale data.
* POSIX migration support: direct API support for all
POSIX character classes, implemented according to
Unicode recommendations
as the INSTALL and DEINSTALL scripts no longer distinguish between
the two types of files. Drop SUPPORT_FILES{,_PERMS} and modify the
packages in pkgsrc accordingly.
performance/build/porting enhancements. The following list summarizes
the main new features in this release.sion.
CLDR 1.2.
This is the main new feature in the release. ICU locale data is now completely
built from the CLDR 1.2 data, which contains data for 232 locales, covering 72
languages and 108 territories. Many translated names for languages,
territories, and scripts have been added, as well as for time zones,
calendars, and other named items such as collation. For more information,
see http://www.unicode.org/press/pr-cldr1.2.html.
Miscellaneous
Universal Timescale conversions. ICU now provides mechanisms for quickly and
reliably converting between the different binary representations of date/time
used on different platforms.
Accept-Language. ICU provides a mechanism for matching Accept-Language against
a list of locales.
DateFormat and Calendar Performance. Object construction performance has been
significantly improved.
Footprint. The size of executables that statically link to ICU has been
reduced.
Stdin. The icuio library can now read from stdin.
UnicodeSet C API. More uset_* C API were added.
i5/OS (os/400). Building ICU has been simplified to allow more configure
options to work.
POSIX. Default codepage determination has been fixed.
major changes:
ICU 3.0 includes the latest bug fixes, locale/charset updates, and
performance/build/porting enhancements.
- Collation
Collation data is in a separate data tree, allowing for easier
modularization and maintenance.
getFunctionalEquivalent API allows for better caching and UI support.
- Unicode 4.0.1
ICU is updated to the latest version of Unicode standard, which had
significant property changes.
- CLDR 1.1
Updates to CLDR 1.1, with many updates to locale data, and special
emphasis on collation data.
- Formatting
As an aid to migration of traditional C (stdio) and C++ (iostream)
formatting, the POSIX-like input/output library, icuio, is officially
supported.
Significant digits now supported in DecimalFormat, for general use and
%g support.
- RFC822 time zone format support in DateFormat for compatibility.
- Currency formatting/parsing improvements
Allows parsing multiple currencies with one formatter, without knowing the
currency in advance. Much cleaner design allowing extensibility to other
measurement units in the future.
- Regular expressions (C)
The regular expressions framework now features a C API, instead of just C++.
- Locales
Locale canonicalization spec defined and implemented. Provides
interoperability with POSIX and .NET locale IDs, more RFC 3066 support.
- Layout engine
Layout engine now supports using different canonically-equivalent Unicode
forms of the same text: e.g. a + ´ or á. This is especially important for
non-Latin scripts.
- Build Environment
ICU can now build its data library much faster on most platforms.
For a complete list see:
http://oss.software.ibm.com/cvs/icu/~checkout~/icu/readme.html?tag=release-3-0
Lot's of changes and fixes.
For example:
# Number Formatting
ICU4C adds support for formatting and parsing of 64-bit integers.
# Text Analysis (Break Iterators)
Full conformance with Unicode Consortium UAX 29 and UAX 14 definitions for
text boundary positions. Significantly improved performance for reverse
direction iteration and isBoundary tests of arbitrary string positions.
# StringPrep
ICU 2.8 adds APIs and a tool for generic support of StringPrep profiles such
as those used in NFS 4.
For a complete list see:
http://oss.software.ibm.com/icu/download/2.8/index.html
"Package Makefiles should refer to PKG_SYSCONFBASEDIR instead of
PKG_SYSCONFBASE when they want PKG_SYSCONFDIR stripped of
PKG_SYSCONFSUBDIR. This makes PKG_SYSCONFBASE=/etc work with pkgviews by
installing all config files into /etc/packages/<pkg> instead of
occasionally putting some directly into /etc."
features and new and modified APIs from version 2.4:
* Added support for Unicode 4.0
* Added support for Unicode regular expressions
* Enhanced sorting
* Added support for international domain names
* Added service registration for pluggable ICU modules
* Added layout engine API for language-specific glyphs
* Separated currencies from locales
* Added POSIX-like API for message catalogs
* Added new charset converters
