This is caused by the file /usr/share/doc-base/gcc-4.8-itm having two complete copies of its normal content. If I delete the file and then install gcc-4.8-doc, both copies are put into the file and the installation effectively fails to install properly.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to doc-base in Ubuntu. https://bugs.launchpad.net/bugs/1300087 Title: Error in `/usr/share/doc-base/gcc-4.8-itm', line 29: format `html' already defined Status in “doc-base” package in Ubuntu: Confirmed Bug description: Error within installation process: Processing 9 changed doc-base files... Error in `/usr/share/doc-base/gcc-4.8-itm', line 29: format `html' already defined. Note: `install-docs --verbose --check file_name' may give more details about the above error. apt-cache policy doc-base doc-base: Installed: 0.10.5 Candidate: 0.10.5 Version table: *** 0.10.5 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status apt-cache policy gcc-4.8-doc gcc-4.8-doc: Installed: 4.8.2-17ubuntu2 Candidate: 4.8.2-17ubuntu2 Version table: *** 4.8.2-17ubuntu2 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/doc-base/+bug/1300087/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

