Re: Embedding Content as Element Content or As An Attribute

Christopher D. Manning (cmanning@sultry.arts.usyd.edu.au)
Fri, 9 Jan 1998 09:43:03 +1100


On 8 January 1998, Tim Bray wrote:
> ><!ELEMENT Foo (bar1 | bar2 | bar3)*>
>
> any number of bar1, bar2, and bar3 elements in any order
>
> I agree that the semantic of '|' is not as it is in some other
> systems. -T.

I disagree. The | _is_ meaning bar1 or bar2 or bar3 -- one only, but it
scopes inside the Kleene star operator, which means any number of
repetitions of the stuff before it, which therefore gives the
semantics above.

Chris Manning