Documentation for Mixins and Informal Parameters is not correct.
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                 Key: TAP5-1846
                 URL: https://issues.apache.org/jira/browse/TAP5-1846
             Project: Tapestry 5
          Issue Type: Bug
          Components: documentation
    Affects Versions: 5.3
            Reporter: Barry Books
            Priority: Minor


The current documentation states:

If the component and a Mixin both define a parameter with the same name, then 
the component wins: the component's parameter will be bound, and the Mixin's 
parameter will be unbound.

Alternately, you may prefix the name of the parameter with the unqualified name 
of the Mixin class

It's not clear from this statement what happens to unqualified informal 
parameters when the component and Mixins support informal parameters but it 
appears the current implementation will never assign any informal parameters to 
a component if you add a Mixin that supports informal parameters. Please add 
something like the following to the documentation:

In the case of informal parameters without a qualifier the Mixin that supports 
informal parameters will receive the all the unqualified informal parameters. 
If more than one Mixin supports informal parameters the results are undefined.

Thanks

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