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/CompletionEvaluator.java
char[] content= (char[]) fCompilationUnit.getBuffer().getCharacters().clone();
		if (wordStart < content.length) {
			for (int i= startpos; i < wordStart; i++) {
				content[i]= ' ';
			}
		}
		
		if (wordEnd + 2 < content.length) {
			
			content[wordEnd]= ' ';
			content[wordEnd + 1]= 'x';
		}
				
		ICompilationUnit cu= fCompilationUnit;
		if (cu.isWorkingCopy()) {
			cu= (ICompilationUnit) cu.getOriginalElement();
		}
		ICompilationUnit newCU= (ICompilationUnit) cu.getWorkingCopy();
		newCU.getBuffer().setContents(content);
		return newCU;
	}
	private ICompletionProposal createCompletion(String newText, String oldText, String labelText, Image image, String info) {
		int offset= fCurrentPos - oldText.length();
		int length= fCurrentLength + oldText.length();
		if (fCurrentLength == 0)
			length= findReplaceEndPos(fDocument, newText, oldText, fCurrentPos) - offset;			
		
		return new CompletionProposal(newText, offset, length, newText.length(), image, labelText, null, info);
	}
}