As followers of the mailing list will know we are now planning to join forces with Creative Commons on the Internet Archive’s Open Library project. Our first step is to develop ‘public domain calculators’ for the different jurisdictions across Europe. Here a calculator is just an algorithm for determining whether a given work is Public Domain. Initially this algorithm can just be in the form of flow-chart, as exemplified by this chart for Canada, but eventually it should end up as code like this.