Heya, Was googling around for Perforce info, and found a pointer to this document that someone on a blog found interesting. URL to the blog posting: http://www.nedbatchelder.com/blog/200305.html#e20030508T210553 The document itself, "Streamed Lines: Branching Patterns for Parallel Software Development": http://www.cmcrossroads.com/bradapp/acme/ branching/ Might be of interest... -- Mikael Jansson http://mikael.jansson.be