Technical data

support. For more information, see euro(5). Also, see i18n_intro
(5)
for
more information on locale-related environment variables.
1.5 Defining the Search Path for Specialized Components
European languages are supported by data and executable files installed at
system-default locations. Asian language support for some commands and
programming libraries requires files that are subordinate to the /usr/i18n
directory. These files supplement or replace files in system-default locations.
When you install one or more of the Asian language subsets, the installation
procedure makes the following adjustments to variable settings on a
system-wide basis:
• I18NPATH
The I18NPATH variable defines the location of files that provide Asian
language support and that are not in system default locations. This
variable is set to the following:
/usr/i18n
Your system administrator can choose to install files for Asian language
support at a location different from /usr/i18n; however, the /usr/i18n
directory must contain a link to the other location.
• PATH
The PATH variable points to the location of commands and is set to the
following:
$I18NPATH/usr/bin:$PATH
The /etc/i18n_profile file includes the PATH and I18NPATH variable
assignments on a system-wide basis for Bourne and Korn shell users. For C
shell users, the installation process includes the /etc/i18n_login file and
the /etc/csh.login file to correctly set search paths for Hebrew and Asian
languages. Unless specifically noted in descriptions of particular commands
or utilities, individual users do not need to change process-specific search
paths to find localized binaries and utilities.
1.6 Supporting User-Defined Characters
The national character sets for Japan, Taiwan, and China do not include
some of the characters that can appear in Asian place and personal names.
Such characters are defined by users and reside in site-specific databases.
These databases are called user-defined character (UDC) databases. When
you define ideographic characters, you must also define font glyphs, collating
files, and other support files for the characters.
Working in a Multilanguage Environment 1–11