This package contains the following previously-copyrighted code, as
declared at the top of the ps_fonts.h source file:

(From the R grDevices core library)
src/ps_fonts.h: * Copyright (C) 1995, 1996  Robert Gentleman and Ross Ihaka
                * Copyright (C) 1998--2010  Robert Gentleman, Ross Ihaka and the
                *                           R Development Core Team
