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+====== Option +quote_empty+
+
+Specifies the boolean that determines whether an empty value is to be double-quoted.
+
+Default value:
+ CSV::DEFAULT_OPTIONS.fetch(:quote_empty) # => true
+
+With the default +true+:
+ CSV.generate_line(['"', ""]) # => "\"\"\"\",\"\"\n"
+
+With +false+:
+ CSV.generate_line(['"', ""], quote_empty: false) # => "\"\"\"\",\n"