Holographic wills and capacity

My friends over at www.allaboutestates.ca have posted something really interesting that some of you will recognize. An elderly parent who lacks mental capacity keeps making handwritten (or "holographic") wills. Holographic wills are legal in most parts of Canada, assuming that the parent has the mental ability to make a will. Is your parent doing this? And if so, how are you dealing with those wills? Click here to read an article that gives some advice on what to do.