1Known contributors are listed here, in alphabetical order by their 2abbreviations (which are used in Changelog). 3 4Main author: 5 6 PS1 Peter Selinger <selinger at users.sourceforge.net> 7 8Contributors: 9 10 CH1 Christoph Hormann <chris_hormann at gmx.de> (GeoJSON backend) 11 TA1 Tor Andersson <tor at ghostscript.com> (PDF backend) 12