Hi Boris, Jim, Petr, and David, I stand corrected; works as desired.
In order to come up with an example I oversimplified my original code which contained lwd=0 in the legend.
lwd=0 indeed switches the 'borders' of points off. Case closed. Helmut -- Ing. Helmut Schuetz BEBAC - Consultancy Services for Bioequivalence and Bioavailability Studies Neubaugasse 36/11 1070 Vienna, Austria tel +43 1 2311746 mobile +43 699 10792458 e-mail helmut.schu...@bebac.at web http://bebac.at/ contact http://bebac.at/Contact.htm forum http://forum.bebac.at/ This e-mail is confidential and may also be legally privileged. If you are not the intended recipient please reply to sender, do not disclose its contents to any person and delete the e-mail. Any unauthorized review, use, disclosure, copying or distribution is strictly prohibited. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.