sources = $(wildcard *.md)
htmls = $(sources:.md=.html)
pdfs = $(sources:.md=.pdf)
.SUFFIXES: .md .html .pdf
.md.html:
sp-docgen --output $@ $<
.md.pdf:
sp-docgen --output $@ $<
all: $(htmls) $(pdfs)
email2-v2-draft.pdf email2-v2-draft.html: email2-v2-draft.md email.bib