tetex's install-info use in scriptlets is not failsafe, fix attached. More info: http://www.redhat.com/archives/fedora-maintainers/2007-January/msg00017.html
Created attachment 146142 [details] Make install-info use in scriptlets failsafe
Fixed, thanks.
tetex-3.0-34.fc6 has been pushed for fc6, which should resolve this issue. If these problems are still present in this version, then please make note of it in this bug report.