Xcode organizer documentation, show Table of Contents

I know this can be done, as I've done it before - but I can't remember how, and I've searched and can't find how either.

I want the Xcode organiser documentation to show the 'table of contents', just as it does if you load the API docs in a web browser. They are hidden by default, and there is a command I can execute to make it visible.

Anybody know what it is?

Thanks

(The bit on the left of my screen shot)

enter image description here

Solution

This is for Xcode 4.3:

sudo egrep -lRZ "Prototype.Browser.Xcode4OrNewer=Prototype.Browser.XcodeVersion<1000;" ~/Library/Developer/Shared/Documentation/DocSets | xargs -0 -L % sudo sed -i '' -e 's/Prototype\.Browser\.Xcode4OrNewer\=Prototype\.Browser\.XcodeVersion\<1000\;/Prototype\.Browser\.Xcode4OrNewer\=false\;/g'

..and your documentation will now look like this:

enter image description here

Not for everyone, but I like it.