Bug 32893 Workspace Compatibility Problems 2.0 -> 2.1
Build 2.1 RC1 This PR collects problems related to opening a 2.0 workspace with 2.1.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
private PreferenceConstants() {
	}
	
	/**
	 * A named preference that controls return type rendering of methods in the UI.