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# bar
# The terms foobar (/ˈfuːbɑːr/), or foo and others are used as metasyntactic
# variables and placeholder names
# The etymology of foobar is generally traced
# to the World War II military slang FUBAR,
# which evolved through being bowdlerised to foobar
# In this Scheme sample, foobar is used to illustrate the name of a function: