On 06/12/2010 11:37, Michael Kay wrote:
> >I don't know of any language where comments have to be syntactically
> correct, it's essentially equivalent to saying that there are no comments.
>
> In XSD, xs:annotation has to be well-formed.
True, so you often see schema with xml <!-- comments instead (or as well)
random example
http://www.w3.org/TR/2002/WD-SVG11-20020108/SVG.xsd
which has both comments and annotations.
structured annotation like xs:annotation or mathml's annotation-xml
seems to be fundamentally different thing from comments.
annotation is adding structured content to the document
commenting is removing a span of text from the document as seen by the
parser.
There are of course overlapping use cases and grey areas, but....
David
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