ANN: pandoc 2.17.1

[John MacFarlane]

I'm pleased to announce the release of pandoc 2.17.1,
available in the usual places:

Binary packages & changelog:
https://github.com/jgm/pandoc/releases/tag/2.17.1

Source & API documentation:
http://hackage.haskell.org/package/pandoc-2.17.1

This release brings a number of bug fixes and small improvements.
Of special note:

* pagedjs-cli may now be used as a --pdf-engine
* Text.Pandoc.Class now exports readMetadataFile [API change]
* Text.Pnadoc.Error now exports the PandocColudNotFindMetadataFileError
constructor for PandocError [API change]

Thanks to all who contributed, including Albert Krewinkel (who
made extensive improvements to the Lua subsystem), Michael Hoffmann,
Nikolai Korobeinikov, ricnorr, Even Brenden, Mauro Bieg, Benson Muite,
and Carsten Allefeld.