question about make - (nf)

[ucbesvax.turner]

#N:ucbesvax:9800002:000:195
ucbesvax!turner    Apr 28 18:00:00 1983


#
# Does anyone know why I'm getting a syntax error here?   I'm trying to
# generate numbered ".n" files from ".c" files.
#
.SUFFIXES: .n

.c.n:
    num $< > $@

print: *.n
	print $< ; rm *.n