Another item I struggled with … adding the help icon to various dialogs (wizards, preferences, properties, about box, etc).
In almost all Eclipse dialogs … there is a question mark icon in the lower left hand corner. You click on this and it invokes the context sensitive help.
The problem was, I couldn’t figure out how to activate this.
I thought it would be controlled by some plug-in or product setting, but I couldn’t determine where.
After a fair bit of digging & debugging of base Eclipse, I determined that this feature is turned on globally for the entire application: