I'm experimented with documentation comments for Swift in Xcode 8 and found that not every feature from Markup Formatting Reference works. In particular, I can't make seealso: callout working and can't insert image URL to my documentation comments. 
That's how my seealso: looked like: 
I used exactly the same comments as described on these webpages.
Did anybody have the same problem? Does anybody know the solution?

 
     
    