---input---
(A) Call Mom @Phone +Family
(A) 2014-01-08 Schedule annual checkup +Health
(B) Outline chapter 5 +Novel @Computer
(C) Add cover sheets @Office +TPSReports
Plan backyard herb garden @Home
Pick up milk @GroceryStore
Research self-publishing services +Novel @Computer
x 2014-01-10 Download Todo.txt mobile app @Phone
x 2014-01-10 2014-01-07 Download Todo.txt CLI @Computer

---tokens---
'(A)'         Generic.Heading
' '           Text
'Call'        Text
' '           Text
'Mom'         Text
' '           Text
'@Phone'      Literal.String
' '           Text
'+Family'     Generic.Error
'\n'          Text

'(A)'         Generic.Heading
' '           Text
'2014-01-08'  Generic.Subheading
' '           Text
'Schedule'    Text
' '           Text
'annual'      Text
' '           Text
'checkup'     Text
' '           Text
'+Health'     Generic.Error
'\n'          Text

'(B)'         Generic.Heading
' '           Text
'Outline'     Text
' '           Text
'chapter'     Text
' '           Text
'5'           Text
' '           Text
'+Novel'      Generic.Error
' '           Text
'@Computer'   Literal.String
'\n'          Text

'(C)'         Generic.Heading
' '           Text
'Add'         Text
' '           Text
'cover'       Text
' '           Text
'sheets'      Text
' '           Text
'@Office'     Literal.String
' '           Text
'+TPSReports' Generic.Error
'\n'          Text

'Plan'        Text
' '           Text
'backyard'    Text
' '           Text
'herb'        Text
' '           Text
'garden'      Text
' '           Text
'@Home'       Literal.String
'\n'          Text

'Pick'        Text
' '           Text
'up'          Text
' '           Text
'milk'        Text
' '           Text
'@GroceryStore' Literal.String
'\n'          Text

'Research'    Text
' '           Text
'self-publishing' Text
' '           Text
'services'    Text
' '           Text
'+Novel'      Generic.Error
' '           Text
'@Computer'   Literal.String
'\n'          Text

'x '          Operator
'2014-01-10'  Generic.Subheading
' '           Operator
'Download'    Operator
' '           Operator
'Todo.txt'    Operator
' '           Operator
'mobile'      Operator
' '           Operator
'app'         Operator
' '           Operator
'@Phone'      Literal.String
'\n'          Operator

'x '          Operator
'2014-01-10'  Generic.Subheading
' '           Operator
'2014-01-07'  Generic.Subheading
' '           Operator
'Download'    Operator
' '           Operator
'Todo.txt'    Operator
' '           Operator
'CLI'         Operator
' '           Operator
'@Computer'   Literal.String
'\n'          Operator
