---input---
message = """multiline strings
            can be followed by""" # comments

---tokens---
'message'     Name
' '           Text.Whitespace
'='           Operator
' '           Text.Whitespace
'"""'         Literal.String.Double
'multiline strings\n            can be followed by' Literal.String.Double
'"""'         Literal.String.Double
' '           Text.Whitespace
'# comments'  Comment.Single
'\n'          Text.Whitespace