A new release of subtitleeditor [1] came out recently.
This new release is now packages for Fedora 9 i386
This release is mainly a translation update, more explicit message pop up when gstreamer fails to read your movie encoding and a new format has been added: Timed Text (TT) Authoring Format 1.0. People running Fedora 9 can get the pre-compiled RPM from rpm-based repository [2]. enjoy!