Confirmed. Below is the output. I'm not entirely sure if the /null or /ps versions worked the way they were supposed to, but /gif definitely has a segfault.
[home install]$ sudo implot in=map0 device=/null
ImPlot version 1.0 02-Aug-99
Plots multiple panels for a Miriad Image
%PGPLOT, Unable to read font file: grfont.dat
%PGPLOT, Use environment variable PGPLOT_FONT to specify the location of the PGPLOT grfont.dat file.
Map: 1no axis 3
[home install]$
[home install]$ sudo implot in=map0 device=/ps
ImPlot version 1.0 02-Aug-99
Plots multiple panels for a Miriad Image
%PGPLOT, Unable to read font file: grfont.dat
%PGPLOT, Use environment variable PGPLOT_FONT to specify the location of the PGPLOT grfont.dat file.
Map: 1no axis 3
[home install]$
[home install]$ sudo implot in=map0 device=/gif
ImPlot version 1.0 02-Aug-99
Plots multiple panels for a Miriad Image
%PGPLOT, Unable to read font file: grfont.dat
%PGPLOT, Use environment variable PGPLOT_FONT to specify the location of the PGPLOT grfont.dat file.
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
#0 0x113325f6e
#1 0x113326684
#2 0x7fff86a06949
#3 0x1130f59c0
#4 0x1130f6fb0
#5 0x1130cbeb7
#6 0x1130cc185
#7 0x1130d04d1
#8 0x1130d0164
#9 0x1130d091a
#10 0x1130db50d
#11 0x104a66f4a
#12 0x104a67cfa
#13 0x104a68cae
[home install]$