The package w3c-markup-validator cound not be installed (or upgraded).

Hi,

The issue is present in Brigantia.

$ sudo aptitude install w3c-markup-validator
The following NEW packages will be installed:
libhtml-template-perl{a} libset-intspan-perl{a} w3c-markup-validator{b}
The following packages are RECOMMENDED but will NOT be installed:
libhtml-tidy-perl
0 packages upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 2141 kB of archives. After unpacking 5648 kB will be used.
The following packages have unmet dependencies:
w3c-markup-validator: Depends: w3c-sgml-lib which is a virtual package.
Depends: libencode-hanextra-perl but it is not going to be installed.
Depends: libhtml-encoding-perl but it is not going to be installed.
Depends: libsgml-parser-opensp-perl but it is not going to be installed.
The following actions will resolve these dependencies:

Keep the following packages at their current version:
1) w3c-markup-validator [Not Installed]

Accept this solution? [Y/n/q/?]

Automatically closed -- issue fixed for 2 weeks with no activity.

Package backported and added to trisquel repos

http://bzr.trisquel.info/package-helpers/trunk/revision/25/helpers/natty/make-w3c-sgml-lib