The Skriv Markup project is hosted on GitHub: http://github.com/Amaury/SkrivMarkup
You can download all SkrivMarkup files here: https://github.com/Amaury/SkrivMarkup/archive/master.zip
If you experiment some bugs using SkrivMarkup, you are welcome to add an issue on GitHub.
If you find bugs and you want to correct them, feel free to fork the project on GitHub and to send pull requests.