latexml software package provides LaTeX to XML Converter, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install latexml
latexml is installed in your system.
Make ensure the latexml package were installed using the commands given below,
$ sudo dpkg-query -l | grep latexml *
You will get with latexml package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | TeX |
| Package | latexml |
| Version | 0.7.0-1 |
| Description | LaTeX to XML Converter |
| Sub Section | TeX |