Replace 's

posts.py

@@ -484,6 +484,8 @@ def createPostBase(baseDir: str,nickname: str, domain: str, port: int, \
                     nickname,domain,content, \
                     mentionedRecipients, \
                     hashtagsDict,True)
+    # replace 's
+    content=content.replace("\ufffd\ufffd\ufffds","'s")
     
     statusNumber,published = getStatusNumber()
     postTo='https://www.w3.org/ns/activitystreams#Public'