all: troff.pdf handout.pdf


troff.ps: troff.ms
	pic troff.ms | tbl | eqn | troff -ms slides - | dpost >troff.ps

troff.pdf: troff.ps
	ps2pdf troff.ps


handout.ps: handout.ms
	sed '/./!d' handout.ms | refer -e | troff -ms | dpost >$@

handout.pdf: handout.ps
	ps2pdf handout.ps