libtest-html-w3c-perl software package provides wrapper around W3C HTML validation testing service, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libtest-html-w3c-perl
libtest-html-w3c-perl is installed in your system.
Make ensure the libtest-html-w3c-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libtest-html-w3c-perl *
You will get with libtest-html-w3c-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libtest-html-w3c-perl |
| Version | 0.04-1 |
| Description | wrapper around W3C HTML validation testing service |
| Sub Section | Perl |