User blog comment:Rappy 4187/Technical Update: September 21, 2016/@comment-1038387-20160921201823/@comment-5558012-20160922141820

Yes indeed, though that works best for large and sometimes continuous edits. Otherwise posting on someone's wall is kind of a pointless discussion (I've posted on a number of walls and don't generally get a response for smaller edits), but their edits are still much appreciated.