https://fr.wikipedia.org/w/index.php?title=Aide%3ALiens_internes&action=history&year=&month=-1&tagfilter=&deleted=1 The various IPs are getting hidden in a rather weird way, with no entries into the log. They are not blocked locally, or at least some aren't, and so there isn't any hideuser in place nor there is a global oversight (as that works only on accounts). It seems rather misterious how all these IPs, dating back to 2009, on this specific page get this treatment (which is suppression of the username/IP from those edits -- it can be manually undone by unticking the boxes, but there's no log of why they were hidden anywhere that we could find).
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