pdf rendering broken

PDF rendering is currently broken, for at least one reason having to do with unicode characters, e.g.:

````
! Package inputenc Error: Unicode char \u8:ïve not set up for use with LaTeX.

See the inputenc package documentation for explanation.
Type  H <return>  for immediate help.
 ...

l.220 ...al usage scenario may be a VOTable naïve

pandoc.exe: Error producing PDF
````