Now, my default browser on this PC is Opera, and has been for many years, and I would naturally expect links to use whatever browser is default on whatever computer opens the document.
So why are all of the links suddenly insisting on opening in Internet bloody Explorer, when I look at it in Acrobat or Acrobat Reader? This does seem to be a glitch in Acrobat / Reader, since they're fine in other PDF viewers.
Any suggestions on fixing it?