case: ----
node: [HorizontalDivider]
warn: []

case: ----\t\nalpha
node: [HorizontalDivider, Text(alpha)]
warn: []

case: ----\n\n\n----
node: [HorizontalDivider, HorizontalDivider]
warn: [Warning(RepeatedEmptyLine)]

case: ----\n\n\nalpha
node: [HorizontalDivider, Text(alpha)]
warn: [Warning(RepeatedEmptyLine)]

case: ----\n\n----
node: [HorizontalDivider, HorizontalDivider]
warn: []

case: ----\n\nalpha
node: [HorizontalDivider, Text(alpha)]
warn: []

case: ----\n----
node: [HorizontalDivider, HorizontalDivider]
warn: []

case: ----\nalpha
node: [HorizontalDivider, Text(alpha)]
warn: []

case: ---- \nalpha
node: [HorizontalDivider, Text(alpha)]
warn: []

case: -----
node: [HorizontalDivider]
warn: []

case: ------
node: [HorizontalDivider]
warn: []

case: ----alpha
node: [HorizontalDivider, Text(alpha)]
warn: []

case: alpha\t\n----
node: [Text(alpha), HorizontalDivider]
warn: []

case: alpha\n\n\n----
node: [Text(alpha), HorizontalDivider]
warn: [Warning(RepeatedEmptyLine)]

case: alpha\n\n----
node: [Text(alpha), HorizontalDivider]
warn: []

case: alpha\n \n----
node: [Text(alpha), HorizontalDivider]
warn: []

case: alpha\n----
node: [Text(alpha), HorizontalDivider]
warn: []

case: alpha \n----
node: [Text(alpha), HorizontalDivider]
warn: []