[Bug 29242] Overriding a required parameter with an optional parameter

https://www.w3.org/Bugs/Public/show_bug.cgi?id=29242

--- Comment #1 from Michael Kay <mike@saxonica.com> ---
In case anyone needs convincing, the current rules allow me to override a
required parameter with a variable, and then to override the variable with an
optional parameter, so I can do it in two steps but can't do it in one.

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Received on Monday, 26 October 2015 10:45:41 UTC