# without the "box" line, you get an error if a font is not found.
# with the "box" line, you instead get a warning and a bouding box
# for the character drawn in its place.  replace "box" by "blank"
# and you get nothing drawn.

#	TYPE	SPEC	SLOP	PATH
font	pk	*	1	./%f.%mpk
font	gf	*	1	./%f.%mgf
font	pk	*	1	/usr/local/lib/tex/fonts/pk/%f.%mpk
font	box	*	0	/usr/local/lib/tex/fonts/tfm/%f.tfm