In order to be able to create and edit patterns you need to register on this system. When you do this the system will tack your changes using your chosen user name (which can be anything) and stop using the IP of your location.
To register you have two choices:
- Use and existing OpenID, Google, Yahoo, or AOL. In which case go to Special:OpenIDLogin and follow the instructions there.
- Create a bespoke ID for this site. In which case go to Special:UserLogin and follow the instructions there.
(There are links to these at the top right of the page)