Hello again @woodpeck and any other who may have flagged my changesets today.
I messed up this morning as I was trying to correct a simple mistake and accidentally duplicated a large portion of the Malakoff/Montrouge area.
My last changesets show the reverts I made with JOSM reverter, which thankfully don't seem to have impacted anyone else's work.
In making the reverts, I had the help of an experienced OSM mapper.
I have learned from my mistake and this will not happen again. Very sorry.

Hello @woodpeck,
I'm very sorry, I was in a hurry, and it appears that I accidentally have duplicated large portions that I had downloaded with JOSM.
All my changesets from this morning should be reverted (I am looking into that).
Very sorry.