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When providing example code, “foo” and “bar” are commonly used to represent “arbitrary values”, to the point they are almost standard notation.
Are there more “standard” terms for when you want to show more than two arbitrary values?
ie. Is there a standard list of terms whose first two are “foo” and “bar”?
Those are known as “Metasyntatic variables”. I would not consider any of them standard, but Wikipedia offers the following as common in the U.S.:
Source: http://en.wikipedia.org/wiki/Metasyntactic_variable
Personally, I have only seen foo, bar, baz and xyzzy used from the list. The list was cited from RFC 3092.