====== Option +strip+

Specifies the boolean value that determines whether
whitespace is stripped from each input field.

Default value:
  CSV::DEFAULT_OPTIONS.fetch(:strip) # => false

With default value +false+:
  ary = CSV.parse_line(' a , b ')
  ary # => [" a ", " b "]

With value +true+:
  ary = CSV.parse_line(' a , b ', strip: true)
  ary # => ["a", "b"]
