Basically what is done when you open a spec as world is that the background color changed,

all the morph are closed, and the spec is specified to take all the space.

So to revert it, I think you *only* need to close the spec morph,

set the background color to white, and voil�

Ben

On 24 Oct 2013, at 18:51, btc@openinworld.com wrote:

Message #openWorldWithSpec: sets a Spec entity to take up the whole World. How can that be reverted? ...to set the World back to the state delivered with a virgin Pharo image?

cheers -ben