Version: (using KDE Devel) Installed from: Compiled sources Answer 10.1 in the KDE FAQ (http://docs.kde.org/stable/en/kdebase/faq/configure.html#id2558064) ist wrong. The correct variable for setting the language in KDE is no longer $LANG but $KDE_LANG instead.
SVN commit 544751 by jhall: Change envar from LANG to KDE_LANG. BUGS:127959 M +3 -3 configkde.docbook --- trunk/KDE/kdebase/doc/faq/configkde.docbook #544750:544751 @@ -26,12 +26,12 @@ <note><para>Using the <application>&kde; Control Center</application> is the preferred way of choosing languages in &kde;.</para></note></listitem> </varlistentry> -<varlistentry><term>Using the <envar>LANG</envar> environment variable</term> +<varlistentry><term>Using the <envar>KDE_LANG</envar> environment variable</term> <listitem><para>The second method uses the standard locale setting on your system. To change the language, simply set the environment -variable <envar>LANG</envar> accordingly. For example, if your shell +variable <envar>KDE_LANG</envar> accordingly. For example, if your shell is <application>bash</application>, execute -<userinput><command>export</command> <envar>LANG</envar>=de</userinput> +<userinput><command>export</command> <envar>KDE_LANG</envar>=de</userinput> to set German as the language used.</para></listitem> </varlistentry> </variablelist>