Any idea where this documentation is gone - or why it is not linked anymore on http://typo3.org/documentation/document-library/core-documentation/ google cache has it still: http://209.85.135.104/search?hl=de&rlz=1B3GGGL_deDE221DE222&q=cache%3Ahttp%3A%2F%2Ftypo3.org%2Fdocumentation%2Fdocument-library%2Fcore-documentation%2F&btnG=Suche&meta=