As word-wrap: break-word does not work well when the width is not fixed (and even less in ), Stack Exchange adds some invisible Unicode markers, which browsers use to find possible positions for line breaks. But: those invisible markers are still there when the visitor copies the text, which might be bad. More details on Meta, in https://meta.stackexchange.com/questions/170970/occasionally-the-unicode-character-sequence-u200c-u200b-zwnj-zwsp-is-insert/.
Instead of Unicode magic, inserting
Some day,
