fCompletionPosition= completionPosition;
fCompletionOffset= completionOffset; fCompletionLength= completionLength;
	protected DocumentTemplateContext(ContextType type, IDocument document, int completionPosition) {		super(type);				Assert.isNotNull(document);		Assert.isTrue(completionPosition >= 0 && completionPosition <= document.getLength());				fDocument= document;		fCompletionPosition= completionPosition;	}