On 2020-02-26 14:16, WaltS48 wrote:
> I have my Firefox set to "Preview in Firefox" which opens the PDF files
> in a new tab using its built-in PDF viewer.
Thanks, but no thanks.
Unfortunately there are cases when an external applicaion is needed.
> I figure it is PDF file Firefox can't open and a script from the site
> changes the setting.
I'd be very suprised if visiting a site could change my browser's settings!