\input zb-basic \input zb-ioport \iteman{io-port 70704508} \itemau{R\"onnau, Sebastian; Pauli, Christian; Borghoff, Uwe M.} \itemti{Merging changes in XML documents using reliable context fingerprints} \itemso{ACM Symposium on Document Engineering, 52-61 (2008).} \itemcc{} \itemut{} \itemli{doi:10.1145/1410140.1410151} \end