This is enough to make letters ugly (see part of screenshot). The words "devil called "autoconf"" are cut at the bottom. Immediately after I start selecting broken line with mouse, letters become OK. However, quickly moving scrollbar up and down (to make the line go off the screen) restores broken behaviour much more often than not. Reproducible: Sometimes Steps to Reproduce: Portage 2.0.51.19 (default-linux/x86/2005.0, gcc-3.3.5-20050130, glibc-2.3.4.20041102-r1, 2.6.12-rc3 i686) ================================================================= System uname: 2.6.12-rc3 i686 Intel(R) Pentium(R) 4 CPU 1.80GHz Gentoo Base System version 1.4.16 Python: dev-lang/python-2.3.5 [2.3.5 (#1, Apr 29 2005, 04:20:04)] dev-lang/python: 2.3.5 sys-apps/sandbox: [Not Present] sys-devel/autoconf: 2.59-r6, 2.13 sys-devel/automake: 1.7.9-r1, 1.8.5-r3, 1.5, 1.4_p6, 1.6.3, 1.9.5 sys-devel/binutils: 2.15.92.0.2-r7 sys-devel/libtool: 1.5.16 virtual/os-headers: 2.6.8.1-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-O3 -march=pentium4 -fomit-frame-pointer -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O3 -march=pentium4 -fomit-frame-pointer -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://mirror.aiya.ru/pub/gentoo/" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.uk.gentoo.org/gentoo-portage" USE="x86 X alsa apm avi berkdb bitmap-fonts cdr crypt curl emboss encode fam foomaticdb gdbm gif gpm gtk2 imlib jpeg kde libg++ libwww mad mbox mikmod motif mp3 mpeg ncurses ogg oggvorbis opengl pam pdflib perl png python qt quicktime readline samba sdl spell sse sse2 ssl svga tcltk tcpd tetex tiff truetype truetype-fonts type1-fonts vorbis xml2 xmms xv zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTDIR_OVERLAY
Created attachment 58298 [details] Screenshot to demonstrate one line eating
this has been fixed on firefox trunk and will be in firefox 1.1. https://bugzilla.mozilla.org/show_bug.cgi?id=173051
Added upstream bug tracker.