@ -571,7 +571,8 @@ class PreserveInlineStylesRule extends InsertRule {
final currData = currLine.data as String?;
if (currData != null && (currData.isEmpty || currData[0] == '\n')) {
if (prevData.trimRight().isEmpty) {
final back = DeltaIterator(documentDelta).skip(index - prevData.length);
final back =
DeltaIterator(documentDelta).skip(index - prevData.length);
if (back != null && back.data is String) {
prev = back;
}