Hint: in the "Post a reply" toolbar, there's a button labelled "bug". Select your bug report number and click on the "bug" button to add tags that will generate the full URL link to the tracker. Leading zeros are optional.
Thanks Normand to do it for me. Next time I'll do by myself. Each day, I learn more, but I hope I'll have to do it as few as possible because I also hope FreeCad to be each time more solid!