Bug 25169 Eating CA: visual indication remains
1) set preference: Insert Proposals 2) open TestCase.java 3) enable segmentated view 4) select TestCase(String) 5) place cursor at Stri>I<ng 6) activate code assist 7) select String from the proposal list 8) press Ctrl 9) press Enter -> color indication remains although content assist window closed
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/JavaCompletionProposal.java
fContextInformationPosition= -1;
		fTriggerCharacters= null;
		fProposalInfo= null;
	}
	
	/**
	 * Sets the context information.
	 * @param contentInformation The context information associated with this proposal
	 */
	public void setContextInformation(IContextInformation contextInformation) {
		fContextInformation= contextInformation;
		fContextInformationPosition= (fContextInformation != null ? fCursorPosition : -1);
	}
	
	/**
	 * Sets the trigger characters.
	 * @param triggerCharacters The set of characters which can trigger the application of this completion proposal
	 */
	public void setTriggerCharacters(char[] triggerCharacters) {
		fTriggerCharacters= triggerCharacters;
	}
	
	/**
	 * Sets the proposal info.
	 * @param additionalProposalInfo The additional information associated with this proposal or <code>null</code>
	 */
	public void setProposalInfo(ProposalInfo proposalInfo) {
		fProposalInfo= proposalInfo;
	}