-- input --
account expenses:food
-- expect --
ACCOUNT      "account"            1:1-1:8
WHITESPACE   " "                  1:8-1:9
TEXT         "expenses"           1:9-1:17
COLON        ":"                  1:17-1:18
TEXT         "food"               1:18-2:0
NEWLINE      "\n"                 2:0-2:1
EOF          ""                   2:1-2:1