In reply to Ricardo Ribeiro.

Ricardo, I've been having that same issue. It's not really designed for for those that need more control over their links and it still has been buggy.
It requires sometimes multiple clicks around to actually get the inline link editor in the right place and you have to double check that no other additional html changes have been inserted. So far, I've not found any solution to the issue though I'm hoping that because the change over is recent enough that either it will be fixed or a plugin solution is still being developed by someone. So far my best solution has to been to edit the links in the HTML view which defaults to the advanced editor, the only issue being that you have to click the link button instead of using keyboard shortcuts.