firefox 1.5.0.3 does not show "about:about" page Compiled from sources. # emerge --info Portage 2.0.54-r2 (default-linux/x86/2006.0, gcc-3.4.5, glibc-2.3.5-r3, 2.6.15-gentoo-r1 i686) ================================================================= System uname: 2.6.15-gentoo-r1 i686 Intel(R) Pentium(R) 4 CPU 1.80GHz Gentoo Base System version 1.6.14 dev-lang/python: 2.4.2 dev-python/pycrypto: 2.0-r1 dev-util/ccache: [Not Present] dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=pentium4 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/eselect/compiler /etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=pentium4 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 X a52 aac alsa amr apache2 apm audiofile avi bash-completion berkdb bitmap-fonts bluetooth bzip2 cairo cdparanoia cdr cli crypt cups curl dbus dri dts dv dvb dvd dvdr dvdread emboss encode exif expat fam fbcon ffmpeg firefox flac font-server foomaticdb fortran ftp gdbm gif glut gmp gnome gphoto2 gpm gstreamer gtk gtk2 gtkhtml hal iconv imagemagick imlib ipv6 isdnlog jpeg lcms ldap libg++ libwww lirc mad matroska mikmod mmx mng modplug mono mozsvg mp3 mp4 mpeg nautilus ncurses nls nptl ogg openal opengl pam pcre pdf pdflib perl png ppds pppd python quicktime readline real reflection sdl session sndfile spell spl sqlite sse sse2 ssl svg tcltk tcpd theora tiff timidity truetype truetype-fonts type1-fonts udev unicode usb v4l v4l2 vorbis win32codecs wma wmf x264 xanim xml xml2 xorg xv xvid zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_RSYNC_EXTRA_OPTS, PORTAGE_RSYNC_OPTS
According to http://kb.mozillazine.org/About_protocol_links this feature is not present in Firefox, only in Mozilla Suite.
Closing.
realy? it works in ff 1.5.0.3 for windows...