tests/1120-csv-always-quote

   1 --tsv --csv --always-quote
   2 1       2002    3
   3         1
   4 1       "2,0,0,2"       3
   5 1       ,       3
   6 ---
   7 "1","2002","3"
   8 "","1",""
   9 "1","""2,0,0,2""","3"
  10 "1",",","3"