There's no need to depend on gtk-doc to install .html files. See the tracking bug for details.
Still present on F15. See the revised guidelines which mention specifically gtk-doc: http://fedoraproject.org/wiki/PackagingGuidelines#File_and_Directory_Ownership
libgtop2-2.28.3-2.fc15 has been submitted as an update for Fedora 15. https://admin.fedoraproject.org/updates/libgtop2-2.28.3-2.fc15
libgtop2-2.28.3-2.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/libgtop2-2.28.3-2.fc16
Package libgtop2-2.28.3-2.fc16: * should fix your issue, * was pushed to the Fedora 16 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing libgtop2-2.28.3-2.fc16' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/libgtop2-2.28.3-2.fc16 then log in and leave karma (feedback).
libgtop2-2.28.3-2.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.
libgtop2-2.28.3-2.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.