Objects relationship misbehaviour

First of all, I want to apologies for my poor English knowledge.

I'm not 100% sure that I did not make any mistake in my profile.xml but I think it is all right.

So, basically I have 2 kind of objects: "objet" and "livre". these Object are very simple for now, I added a ca_objects_x_objects relationship between them in order link these together. In the exemple here, I use one of the 2 relationship type for this link. which is:

<typename>référencé par</typename>
<typename_reverse>fait référence à </typename_reverse>

I want to be able to qualify the relationship like that:

- "Objet" can be linked with "référencé par" quality to "livre";
- "Objet" can be linked with "fait référence à" quality to "livre";

THE TEST CASE:

- For the test I created 3 "livre" objects (liv1, liv2, liv3) and 1 "objet" object (obj1).
- I edit obj1 and add a related object : liv1 qualified by "référencé par" (fine!);
- I edit obj1 and add a related object : liv2 qualified by "fait référence à" (fine!);
- I edit obj1 and add a related object : liv3 qualified by "référencé par" .... and here is the bug : all three relationships have be re-qualified with "référencé par" ( not fine!);

please consider the following video as an evidence: http://www.youtube.com/watch?v=wnLIZf8XoRg