# File lib/maruku/attributes.rb, line 80
        def unit_tests_for_attribute_lists
                [
                        [ "",     [], "Empty lists are allowed" ], 
                        [ "=",    :throw, "Bad char to begin a list with." ], 
                        [ "a =b", :throw, "No whitespace before `=`." ], 
                        [ "a= b", :throw, "No whitespace after `=`." ], 

                        [ "a b", [[:ref, 'a'],[:ref, 'b']], "More than one ref" ], 
                        [ "a b c", [[:ref, 'a'],[:ref, 'b'],[:ref, 'c']], "More than one ref" ], 
                        [ "hello notfound", [[:ref, 'hello'],[:ref, 'notfound']]], 

                        [ "'a'",  [[:ref, 'a']], "Quoted value." ], 
                        [ '"a"'   ], 

                        [ "a=b",  [['a','b']], "Simple key/val" ], 
                        [ "'a'=b"   ], 
                        [ "'a'='b'" ], 
                        [ "a='b'"   ], 

                        [ 'a="b\'"',  [['a',"b\'"]], "Key/val with quotes" ],
                        [ 'a=b\''],
                        [ 'a="\\\'b\'"',  [['a',"\'b\'"]], "Key/val with quotes" ], 
                        
                        ['"', :throw, "Unclosed quotes"],
                        ["'"],
                        ["'a "],
                        ['"a '],
                        
                        [ "#a",  [[:id, 'a']], "Simple ID" ], 
                        [ "#'a'" ], 
                        [ '#"a"' ], 

                        [ "#",  :throw, "Unfinished '#'." ], 
                        [ ".",  :throw, "Unfinished '.'." ], 
                        [ "# a",  :throw, "No white-space after '#'." ], 
                        [ ". a",  :throw, "No white-space after '.' ." ], 
                        
                        [ "a=b c=d",  [['a','b'],['c','d']], "Tabbing" ], 
                        [ " \ta=b \tc='d' "],
                        [ "\t a=b\t c='d'\t\t"],
                        
                        [ ".\"a'",  :throw, "Mixing quotes is bad." ], 
                        
                ].map { |s, expected, comment| 
                        @expected = (expected ||= @expected)
                        @comment  = (comment  ||= (last=@comment) )
                        (comment == last && (comment += (@count+=1).to_s)) || @count = 1
                        expected = [md_ial(expected)] if expected.kind_of? Array
                        ["{#{MagicChar}#{s}}", expected, "Attributes: #{comment}"]
                }
        end