linux-lts-raring suggests installing non-existent packages

[Ian! D. Allen]

Installing linux-image-3.8.0-29 into 12.04 suggests that I install other packages that do not exist:

# apt-get install linux-image-3.8.0-29 fdutils linux-headers-3.8.0-29
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'linux-image-3.8.0-29-generic' for regex 'linux-image-3.8.0-29'
Suggested packages:
  linux-lts-raring-doc-3.8.0 linux-lts-raring-source-3.8.0
  linux-lts-raring-tools linux-headers-3.8.0-29-generic
The following NEW packages will be installed:
  fdutils linux-headers-3.8.0-29 linux-image-3.8.0-29-generic
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 60.4 MB of archives.

# apt-get install linux-lts-raring-doc-3.8.0 linux-lts-raring-tools
Reading package lists... Done
Building dependency tree
Reading state information... Done

Package linux-lts-raring-doc-3.8.0 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package linux-lts-raring-tools is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'linux-lts-raring-doc-3.8.0' has no installation candidate
E: Package 'linux-lts-raring-tools' has no installation candidate

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.8.0-29-generic 3.8.0-29.42~precise1
ProcVersionSignature: Ubuntu 3.5.0-39.60~precise1-generic 3.5.7.17
Uname: Linux 3.5.0-39-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
Date: Fri Aug 30 12:08:53 2013
InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.3)
MarkForUpload: True
SourcePackage: linux-lts-raring
UpgradeStatus: No upgrade log present (probably fresh install)