This package has been decommissioned, as other free software packages have come along while this was moribund, such as darcs and StGit.
GNU Patchwork allows you to create and manage multiple, overlapping patches against a source tree without copying the source tree. It does not require CVS, and therefore does not require write access to a CVS repository like `pm' does.
These details are provided for information only. No information here is legal advice and should not be used as such.