Topics that are relevant to this wiki include (but are not limited to):
There is a password required to edit these pages, but it is solely so that spammers do not deface it. Send e-mail to wiki at mpi-comm-world.org to get the password. Once you have this password, click on the Preferences link at the bottom of the page you wish to edit, and enter the password in the Administration Password box.
As with most wikis, the content is simple markup -- see the Formatting Rules page to see the markup used here. You can test using the markup on the sandbox Graffiti page.