Scaladoc for extension methods

[StephM]

At the moment it seems not to be possible to add scaladoc to extension methods, and at least Intellij seems not to support this yet. Does anybody know when and how this is going to be achieved? Extension methods may make up a substantial part of any library written for Scala 3, so documentation would appear to be necessary.
Thanks!

[SethTisue]

I tried it just now with scalaVersion := "3.2.0-RC2" and

/** testing Scaladoc support on extension methods */
extension (s: String)
  def foo = 4

and sbt doc gave me: