Bug 6062 JavaDocCompletionProcessor should be have configurable case sensitivity
Need implementation of the following JavaDocCompletionProcessor method public void restrictProposalsToMatchingCases(boolean restrict.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/javadoc/JavaDocCompletionProcessor.java
public void setCompletionProposalAutoActivationCharacters(char[] activationSet) {
		fProposalAutoActivationSet= activationSet;
	}
	/**
	 * @see IContentAssistProcessor#computeContextInformation(ITextViewer, int)
	 */
	public IContextInformation[] computeContextInformation(ITextViewer viewer, int offset) {
		return null;
	}
	/**
	 * @see IContentAssistProcessor#computeCompletionProposals(ITextViewer, int)
	 */
	public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {
		ICompilationUnit unit= fManager.getWorkingCopy(fEditor.getEditorInput());
		IDocument document= viewer.getDocument();
		ICompletionProposal[] results= new ICompletionProposal[0];
		try {
			if (unit != null) {
				
				int offset= documentOffset;
				int length= 0;
				
				Point selection= viewer.getSelectedRange();
				if (selection.y > 0) {
					offset= selection.x;
					length= selection.y;
				}
				
				CompletionEvaluator evaluator= new CompletionEvaluator(unit, document, offset, length);
				results= evaluator.computeProposals();