This repository documents the proposal to insert diplomatics concepts into the framework of the TEI-P5 (http://www.tei-c.org/Guidelines/P5/), based on the experiences of the Charters Encoding Initiative (http://www.cei.lmu.de). A product of the FWF-funded research project "Retain Domain Specific Functionalities in a Generic Repository with Humanities Data (FWF ORD 84. PI: Georg Vogeler)."