PUBLISH += $(addsuffix .md.txt, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.html, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.pdf, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.txt, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.html, $(PUBLISH_MD))
PUBLISH += $(addsuffix .md.pdf, $(PUBLISH_MD))