Code folding guidelines mess up in 10.0.0.41

begin

begin

begin

  for i in 1..2

  loop

    null;

  end loop;

end;

end;

/

In the editor, when there are blank lines in code within a block of indented code where code folding is enabled, if you add spaces before / delete spaces via backspace after the code folding guidelines, the guidelines go out of line.

This doesn't happen on 9.7.

I've attached an excerpt of a screenshot to show what I mean (picture = 1000 * words hopefully!).

Sample code I used in my screenshot:

end;