macOS Documentation workings issue

[mdeh]

I am trying to understand why double-clicking on NSString does nothing..I would have expected the ref to NSString to open in a seperate window.
http://att.macrumors.com/attachment.php?attachmentid=155669&stc=1&d=1233506243

 

[Sayer]

Double-click the thin light bar across the bottom of the content area. That should open the viewer area.

 

[mdeh]

Double-click the thin light bar across the bottom of the content area. That should open the viewer area.

Hmmm...nothing.

 

[MacRumors Guy]

Pull the frame separator in the bottom of the view.

 

[mdeh]

Pull the frame separator in the bottom of the view.

oops.....!

thanks