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5. Locale support in libc 5.4.x and higher

The locale support has been updated in libc 5.4.x. You can avoid many of the individual programs setups described in section International character sets in specific applications if the programs on your system is prepared for locale support. The Debian distribution comes with this support if you install the wg15-locale package. Read the Locales mini-HOWTO if you want to set up locale support on a non-Debian system with libc 5.4.x. Systems with GNU libc 2 (libc 6.x) also support locales.

To enable support for the Danish locale on a system with locale support you just have to set one of the following environment variables:

Try da_DK.ISO_8859-1 if da_DK does not work.

Both environment variables set all the individual locale catgories. You can also set a single locale category by using the name of the category as an environment variable. The locale catogories are:

Locale category         Application
---------------         -----------
LC_COLLATE              Collation of strings (sort order.)
LC_CTYPE                Classification and conversion of characters.
LC_MESSAGES             Translations of yes and no.
LC_MONETARY             Format of monetary values.
LC_NUMERIC              Format of non-monetary numeric values. 
LC_TIME                 Date and time formats.
LC_ALL                  Sets all of the above (overrides all of them.)
LANG                    Sets all the categories, but can be overridden
                        by the individual locale categories.

A few programs such as bash and GNU emacs still need specific setup as described in section International character sets in specific applications, but most should work without further attention. Programs such as nvi which did not work with 8 bit characters before should work now.

Locale support should be more common as distributions based on the new GNU libc 2 become available. Beware that although Red Hat Linux 5.0 comes with GNU libc 2, the locale support is not working. You have to run this script to make it work (ignore the warnings):


localedef -c -i en_DK -f ISO-8859-1 en_DK
localedef -c -i sv_SE -f ISO-8859-1 sv_SE
localedef -c -i fi_FI -f ISO-8859-1 fi_FI
localedef -c -i sv_FI -f ISO-8859-1 sv_FI
localedef -c -i ro_RO -f ISO-8859-1 ro_RO
localedef -c -i pt_PT -f ISO-8859-1 pt_PT
localedef -c -i no_NO -f ISO-8859-1 no_NO
localedef -c -i nl_NL -f ISO-8859-1 nl_NL
localedef -c -i fr_BE -f ISO-8859-1 fr_BE
localedef -c -i nl_BE -f ISO-8859-1 nl_BE
localedef -c -i da_DK -f ISO-8859-1 da_DK
localedef -c -i kl_GL -f ISO-8859-1 kl_GL
localedef -c -i it_IT -f ISO-8859-1 it_IT
localedef -c -i is_IS -f ISO-8859-1 is_IS
localedef -c -i fr_LU -f ISO-8859-1 fr_LU
localedef -c -i fr_FR -f ISO-8859-1 fr_FR
localedef -c -i de_DE -f ISO-8859-1 de_DE
localedef -c -i de_CH -f ISO-8859-1 de_CH
localedef -c -i fr_CH -f ISO-8859-1 fr_CH
localedef -c -i en_CA -f ISO-8859-1 en_CA
localedef -c -i fr_CA -f ISO-8859-1 fr_CA
localedef -c -i fo_FO -f ISO-8859-1 fo_FO
localedef -c -i et_EE -f ISO-8859-1 et_EE
localedef -c -i es_ES -f ISO-8859-1 es_ES
localedef -c -i en_US -f ISO-8859-1 en_US
localedef -c -i en_GB -f ISO-8859-1 en_GB
localedef -c -i en_IE -f ISO-8859-1 en_IE
localedef -c -i de_LU -f ISO-8859-1 de_LU
localedef -c -i de_BE -f ISO-8859-1 de_BE
localedef -c -i de_AT -f ISO-8859-1 de_AT
localedef -c -i sl_SI -f ISO-8859-2 sl_SI
localedef -c -i ru_RU -f ISO-8859-5 ru_RU
localedef -c -i pl_PL -f ISO-8859-2 pl_PL
localedef -c -i lv_LV -f BALTIC lv_LV
localedef -c -i lt_LT -f BALTIC lt_LT
localedef -c -i iw_IL -f ISO-8859-8 iw_IL
localedef -c -i hu_HU -f ISO-8859-2 hu_HU
localedef -c -i hr_HR -f ISO-8859-4 hr_HR
localedef -c -i gr_GR -f ISO-8859-7 gr_GR

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