Cool project and nice write-up.
I wonder why you didn't use the OpenDoc standard format?
Were there project-specific reasons for the documentation format you chose?
We chose ASCIIDoc for our documentation because it's a modern, feature-rich markup language that makes writing technical documentation really pleasant. To be honest, we didn't even consider OpenDoc as an option. Wasn't it discontinued a long time ago?
(I am the author btw)