From the Rev 894330 commit log:
[OFBIZ-3274] - Using decorator sections to control the left-bar
The leftbar content is now defined using the "left-column"
ApplicationDecorator section instead of setting the variables
"leftbarScreenName", "leftbarScreenLocation" and "MainColumnStyle". The
logic that checks if the "left-column" section has content, and thus if
a left column must be rendered, has been moved from the GlobalDecorator
to the ApplicationDecorator.
Why was the logic moved to the ApplicationDecorator? Because of that
change, applications developed in a framework-only deployment do not
render correctly because the necessary containers are missing. From my
perspective, that change was not necessary - the logic should have
stayed in the GlobalDecorator.
-Adrian
