Sorry about all that, just trying to work out what package that's having the problem. I think it's a bug in how Firefox interacts with the file system because other programs, like GIMP and LibreOffice, can also export to PDF and this bug doesn't recur.
Sorry about all that, just trying to work out what package that's having the problem. I think it's a bug in how Firefox interacts with the file system because other programs, like GIMP and LibreOffice, can also export to PDF and this bug doesn't recur.