   tokentype=Name.Function,
    )

This would highlight the names "foo", "bar" and "baz"
as functions. `Name.Function` is the default token type.

Options accepted:

`names` : list of strings
  A list of names that should be given the different token type.
  There is no default.
`tokentype` : TokenType or string
  A token type or a string containing a token type name that is
  used for highlighting the strings in `names`.  The default is
  `Name.Function`.
c