[NTG-context] Bibliography module and ibid./ebd.

Hello again, is it possible to achieve with the t-bib-module that the second (third, … ) of two or more consecutive \cite-command with the same tag will be replaced with ebid. (ebd. in German)? I found an older posting http://archive.contextgarden.net/message/20020903.072930.995836b4.en.html on this list, but in the actual manual it's mentioned nowhere … Thank you in advance Adreas