Problem with bibformat=ibidem

Hello,

I have a problem with jurabib, which will be demonstrated by the files
below. There are two articles, the second one written by the author of
the first one *and* another person. When running TeX, it creates a
bibliography which looks like this:

Flechsig, ...

Dieselben:/ Fischer, ...

I find this quite strange for several reasons: "dieselben" is wrong,
because Flechsig is indicated as "sm" (maybe the "pm" from
flechsigfischer ist used?), and I think it would look much better if
Flechsig, .../Fischer, ...: would be printed in the bibliography, as
it is usually done when having more than one author.

And here's the files:

=== test.tex ===

\documentclass[12pt,smallheadings,a4paper,headsepl
ine,headinclude,pointednumbers]{scrbook}
\usepackage[howcited=multiple,%
bibformat=ibidem,%
lookforgender,%
pages=format,%
authorformat=italic,%
commabeforerest,%
titleformat=commasep]{jurabib}

\usepackage{ngerman}
\usepackage[latin1]{inputenc}

\usepackage[T1]{fontenc}
\usepackage{ae}

\begin{document}

\cite{flechsigfischer,flechsig93}

\bibliography{test}
\bibliographystyle{jurabib}
\end{document}


=== test.bib ===

This file was created with JabRef 1.4.
Encoding: Cp1252

@ARTICLE{flechsigfischer,
  author = {Norbert P. Flechsig and Martin Fischer},
  title = {Speicherung von Printmedien in betriebseigene
Datenbankarchive und die Grenze ihrer betrieblichen Nutzung},
  journal = {ZUM},
  year = {1996},
  number = {11},
  gender = {pm},
  pages = {833-846},
}

@ARTICLE{flechsig93,
  author = {Norbert P. Flechsig},
  title = {Rechtmäßige private Vervielfältigung und gesetzliche
Nutzungsgrenzen -- Zur Frage, in welchem Umfang privat hergestellte
Vervielfältigungsstücke einer außerprivaten Nutzung
zugeführt werden
dürfen und zur Beweislast im Urheberverletzungsprozeß --},
  journal = {GRUR},
  year = {1993},
  gender = {sm},
  number = {6},
  pages = {532-538},
}

@comment{jabref-meta: selector_journal:GRUR;JZ;MMR;ZIP;ZUM;}
 





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