copy images from figure rst directives as well

	@rm -rf html/JPG

	@cp -r src/PDF html/PDF

	@mkdir -p html/JPG

	@cp `grep -A2 '\.\. .*image::' src/*.rst | grep ':target:' | sed -e 's,.*:target: JPG/,src/JPG/,' | sort | uniq` html/JPG/

	@cp `grep -A2 '\.\. .*\(image\|figure\)::' src/*.rst | grep ':target:' | sed -e 's,.*:target: JPG/,src/JPG/,' | sort | uniq` html/JPG/

	@rm -rf html/PDF/.[sg]*

	@mkdir -p html/_static/mathjax

	@cp -r $(MATHJAX)/es5 html/_static/mathjax/