Version:           4.3.2 (using KDE 4.3.2)
Compiler:          gcc version 4.4.1 (GCC) Target: i586-manbo-linux-gnu Configuré avec: ../configure --prefix=/usr --libexecdir=/usr/lib --with-slibdir=/lib --with-bugurl=https://qa.mandriva.com/ --mandir=/usr/share/man --infodir=/usr/share/info --enable-checking=release --enable-languages=c,c++,ada,fortran,objc,obj-c++,java --build=i586-manbo-linux-gnu --host=i586-manbo-linux-gnu --with-cpu=generic --with-system-zlib --enable-threads=posix --enable-shared --enable-objc-gc --enable-long-long --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --enable-java-awt=gtk --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-gtk-cairo --disable-libjava-multilib --enable-ssp --disable-libssp --disable-werror --with-ppl --with-cloog --with-python-dir=/lib/python2.6/site-packages
OS:                Linux
Installed from:    Mandriva RPMs

Open kontact
Change to french locale
Restart kontact to allow locale change
Select Settings/Configure Kontact...
Go in Résumé/Agenda
Go in last tab Tâche ou Rendez-vous spéciaux

The text of the checkbox options are cut by half.

It is not present on english version (because of english shortness ?)

See the bug on the screenshots in next attachments