Package: mozilla-thunderbird Version: 1.0-3 Followup-For: Bug #251389 FWIW, I was experiencing this same problem on an AMD64 system running sid with mozilla-thunderbird_1.0-3. After purging the gtk2-engines-crux package the menu highlighting worked as it should.
-- System Information: Debian Release: 3.1 Architecture: amd64 (x86_64) Kernel: Linux 2.6.10 Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1) Versions of packages mozilla-thunderbird depends on: ii libatk1.0-0 1.8.0-4 The ATK accessibility toolkit ii libc6 2.3.2.ds1-20.0.0.1.pure64 GNU C Library: Shared libraries an ii libfontconfig1 2.2.3-4 generic font configuration library ii libfreetype6 2.1.7-2.3 FreeType 2 font engine, shared lib ii libgcc1 1:3.4.3-7 GCC support library ii libglib2.0-0 2.6.1-3 The GLib library of C routines ii libgtk2.0-0 2.6.1-2 The GTK+ graphical user interface ii libpango1.0-0 1.8.0-3 Layout and rendering of internatio ii libstdc++6 3.4.3-7 The GNU Standard C++ Library v3 ii libx11-6 4.3.0.dfsg.1-10 X Window System protocol client li ii libxext6 4.3.0.dfsg.1-10 X Window System miscellaneous exte ii libxft2 2.1.2-6 FreeType-based font drawing librar ii libxp6 4.3.0.dfsg.1-10 X Window System printing extension ii libxrender1 0.8.3-7 X Rendering Extension client libra ii libxt6 4.3.0.dfsg.1-10 X Toolkit Intrinsics ii xlibs 4.3.0.dfsg.1-10 X Keyboard Extension (XKB) configu ii zlib1g 1:1.2.2-4 compression library - runtime -- debconf information: * mozilla-thunderbird/browser: GNOME -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]