| publish: letter.pdf	if [ ! -d "published" ]; then mkdir published; fi	cp letter.pdf published/letter.pdf	if [ ! -d "published/archive" ]; then mkdir published/archive/; fi	cp letter.pdf published/archive/letter_$(shell date -u +"%Y-%m-%dT%H:%M:%SZ").pdfletter.pdf: letter.tex	latexmk -pdf letter.texstart: view watchview:	-zathura letter.pdf &!watch:	latexmk -pdf -pvc letter.tex
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