I saw a comment formatted like this:
@S.Mark: ̶T̶h̶a̶t̶s ̶g̶r̶e̶a̶t ;-)
What is the tag to make this middle line on a word?
When posting a question or answer there is
Which will result in:
But that will not work in a comment. So if this was actually stated within a comment, this is some Unicode trickery. A combining long stroke overlay perhaps.
Edit: Hello world, my name is idiot. The answer is of course found within your question. Look at the source of it:
So Unicode trickery indeed....sigh.