> Martin Holmes wrote
> A couple of years ago we paid the lead developer, Wolfgang Meier, to
> rewrite the indexing system to remove some limitations that previously
> existed, and add a couple of other features and some documentation.
We did the same, that is paid Wolfgang Meier to develop some additional
features for eXist. Spending its IT money for open source seems to be good
way to get things done in a project and to contribute to a common
infrastructure / tool.