Parameter reflection: parameters with "" as their name

[Peter Jensen]

> The VM will not enforce any rules, I presume. The spec says it doesn't 
> enforce the parameter_count restriction, and I presume it
> doesn't enforce any name restrictions (unless it already does so 
> generally for constant pool entries?)
BTW: must the VM enforce the "at most one MethodParameters attribute" 
restriction. The spec doesn't say.