PUBLISH_MD += pumpkin-books house-rules
PUBLISH += pumpkin-books.pdf overflow-tube.pdf index.html
-PUBLISH += LICENCE.txt GPL-3.txt CC-BY-SA-4.0.txt
+PUBLISH += README.html LICENCE.txt GPL-3.txt CC-BY-SA-4.0.txt
PUBLISH += $(addsuffix .md.txt, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.html, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.pdf, $(PUBLISH_MD))