[racket] DrRacket WM_CLASS on X

At Mon, 26 Sep 2011 02:45:23 -0400, Neil Van Dyke wrote:
> For DrRacket running with the X Window System, would it be possible to 
> set the windows' "WM_CLASS" to "DrRacket"?
> 
> "xprop" says that there is no "WM_CLASS":
> 
> [...]
> WM_CLASS(STRING) = "<unknown>", "<unknown>"
> WM_ICON_NAME(STRING) = "Untitled - DrRacket"
> [...]
> WM_NAME(STRING) = "Untitled - DrRacket"
> [...]
> 
> Setting "WM_CLASS" would help out fancy features in X window managers 
> like XMonad.

Which version did you try? I think WM_CLASS is set as of commit
941dacd966913ebbeca1 (August 4) in the git repo.