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AIX Version 4.3 Differences Guide

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charmap<br />

cmdpios<br />

•TCVN2 (current standard code set used in Vietnam)<br />

New character map for Vietnamese code set definition.<br />

<strong>AIX</strong> <strong>Version</strong> <strong>4.3</strong> provides a printer filter for Vietnamese that supports<br />

downloadable UCS-2 fonts and can print data for both IBM-1129 and<br />

UTF-8 locales.<br />

libmeth Locale-specific methods for wide character processing (based on<br />

Unicode).<br />

cmdtty Vietnamese csmap.<br />

i18n The Vietnamese language has been added to the X locale database.<br />

xmodmap Localized X keysyms and server keyboard maps are present for<br />

Vietnamese.<br />

CTL layout engine<br />

Vietnamese makes use of combining zero width characters that<br />

require the use of layout services as defined by the CTL APIs.<br />

10.6.3.1 Systems Management<br />

The Vietnamese locales are configurable through the SMIT panel Manage<br />

Language Environment.<br />

The user can install the following items:<br />

• Vietnamese Cultural Conventions (IBM-1129)<br />

• Vietnamese Cultural Conventions (Unicode)<br />

10.6.3.2 Standards Compliance of Vietnamese Language Support<br />

Vietnamese Language Support follows the standards that the <strong>AIX</strong> NLS<br />

Architecture follows, especially those standards listed below. The UTF-8 support<br />

for the Vietnamese locale consists of the portion of the Base Multilingual Plane of<br />

ISO 10646 that is supported by other locales on <strong>AIX</strong>. The relevant standards and<br />

resources are:<br />

• X/Open Portability <strong>Guide</strong>, issue 3 and issue 4<br />

• POSIX.2<br />

• X Window System <strong>Version</strong> 11 Release 6<br />

• IBM 1129 for internal Code Page<br />

• IBM 461 A/B for Keyboard layout<br />

• IBM 1130 for EBCDIC code Convert<br />

• Unicode <strong>Version</strong> 2.0 for display and fonts<br />

10.6.3.3 Migration<br />

Current users of the country solution for Vietnam are expected to migrate to <strong>AIX</strong><br />

<strong>Version</strong> <strong>4.3</strong> with the Vietnamese localization support. The new Vietnamese<br />

Language support is binary-compatible with the previous country solution for<br />

Vietnam.<br />

10.6.4 Japanese Code Page 943 (<strong>AIX</strong> <strong>4.3</strong>.2)<br />

IBM-943 is a compatible code set for the Japanese Microsoft Windows<br />

environment. This code set is known as ’83 ordered Shift JIS.<br />

National Language Support 281

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