MD=multimarkdown
HDIR=html
SRC = $(wildcard *.txt)
OUT = $(patsubst %.txt,$(HDIR)/%.html,$(SRC))

all: $(OUT)
	# Done. 

$(HDIR):
	mkdir -p $(HDIR)

$(HDIR)/%.html: %.txt $(HDIR)
	$(MD) $< > $@

.PHONY: clean

clean:
	rm -f $(HDIR)/*.html
	rmdir $(HDIR)