I see that I left something out. Here's the repo list, showing that all of my repos are still for Fedora 14:
repo id repo name status
adobe-linux-i386 Adobe Systems Incorporated 17
fedora Fedora 14 - i386 17,883
fedora-xfce-4.8 Xfce 4.8 for Fedora, see
https://fedoraproject. 144
livna rpm.livna.org for 14 - i386 3
rpmfusion-free RPM Fusion for Fedora 14 - Free 364
rpmfusion-free-updates RPM Fusion for Fedora 14 - Free - Updates 1,050
rpmfusion-nonfree RPM Fusion for Fedora 14 - Nonfree 176
rpmfusion-nonfree-updates RPM Fusion for Fedora 14 - Nonfree - Updates 548
updates Fedora 14 - i386 - Updates 7,988
repolist: 28,173
---------- Post added at 05:12 PM ---------- Previous post was at 12:02 PM ----------
Somebody on a Fedora support mailing list came up with the answer:
yum --releasever=16 reinstall fedora-release
did the trick. I'm still trying to clean up dupes and problems (Some of the problems, of course, being caused by the dupes.) but at least that's been fixed.