Hi Pilou,

re:
> Seems if the lines are 5 unities or less nothing is done for these lines!
>
> Does this normal ?

Well the request was to chop off 5 units off the ends of each line.

If you do that to a line that is 10 units or shorter in size then there would be nothing left.

So yes that's normal for this particular use case for those lines to not be processed.

- Michael