Am 07.02.18 um 01:25 Uhr schrieb Alan Litchfield: > Seemed to turn on the Adobe Reader plug-in (which I have turned off). > Maybe it was just this OS 10.13.3 trying to be too clever. The PDFs open in Firefox on macOS 10.11.6. Congrats from me, also, to the folks at RP. Well done. Best regards, Jürgen.