[opensuse] Writing a small book... what should I use?

I'm commissioned to start a small book project, and vaguely remember seeing a wikilike piece of software that would facilitate this well. I intend to start with a conceptual outline, and then flesh each section out. Any recommendations? -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org