in lib/src/highlighter.dart [114:124]
static bool _contiguous(List<_Line> lines) {
for (var i = 0; i < lines.length - 1; i++) {
final thisLine = lines[i];
final nextLine = lines[i + 1];
if (thisLine.number + 1 != nextLine.number &&
thisLine.url == nextLine.url) {
return false;
}
}
return true;
}