Hi Reinhard,
I think that Hans Hagen's opinion is quite valuable, he has the best overview.
concerning older acrobats: - on windows, 'professional' users will have an acrobat >=4, others wil have relatively new readers - on the mac, on osx there only have been versions >=6 (maybe 5) ; on system 9 ... hardly any pdftex users - on linux, this platform was supported relatively late, so those viewers are ok so, i agree with you that it we can obsolete this primitive Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------