Fission – Get this Extension for 🦊 Firefox (ja)Please visit http://mozilla.zeniko.ch/fission.html for further information. Theme compatibility: Some themes might break with Fission installed. If yours does, please contact the theme's author about the incompatibility. For issues with the default theme, post a screenshot to the thread at http://forums.mozillazine.org/viewtopic.php?t=594322 . Thanks. Firefox 4.0 support: I won't support Firefox 4
