See the revised guidelines which mention specifically gtk-doc: http://fedoraproject.org/wiki/PackagingGuidelines#File_and_Directory_Ownership Or the tracking bug for more details.
libpeas-1.6.2-1.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/libpeas-1.6.2-1.fc18
Package libpeas-1.6.2-1.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing libpeas-1.6.2-1.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19378/libpeas-1.6.2-1.fc18 then log in and leave karma (feedback).
libpeas-1.6.2-1.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.