https://lists.fedoraproject.org/archives/list/secondary@lists.fedoraproject.org/thread/5GRFXODWFZ76DQ3VXD7GW2QJC2VUSMW5/
xfig-3.2.5-23b tarball - secondary - Fedora mailing-lists
xfigtarballsecondaryfedoramailing
https://www.rdocumentation.org/packages/grDevices/versions/3.6.2/topics/xfig
xfig function - RDocumentation
xfigfunctionrdocumentation
https://sourceware.org/legacy-ml/cygwin/2005-10/msg00066.html
Mike Shi - Re: Cygwin xfig eps problem
mikeshicygwinxfigeps