+ COLUMNS=80 $(PYTHON) youtube_dl/__main__.py --help | $(PYTHON) devscripts/make_readme.py
+
+CONTRIBUTING.md: README.md
+ $(PYTHON) devscripts/make_contributing.py README.md CONTRIBUTING.md
+
+supportedsites:
+ $(PYTHON) devscripts/make_supportedsites.py docs/supportedsites.md