"xyz":          "xyz":
"pqr"  :        "pqr"  :
a:b             a:b unquoted
"a:b"           "a:b"
                abc continued data (make sure not key)
"abc"           "abc"
"\"quoted\""    "\"quoted\""       
"white space"   "white space"
"b\\s"          "b\\s"