Pier 2: ? in resfull url's

> Hello,
>
> When I switch my pier 2 website to use session cookies I get nice restful
> URL's. Only there is a question mark behind the URL even if there are no
> query parameters.
>
> I tracked this down to the WUrl>>purgeSeasideFields method. The question
> marks disappears when I change the method to:
>
> purgeSeasideFields
>     self queryFields keys do: [ :each |
>         (self isSeasideField: each)
>             ifTrue: [
>                 self queryFields removeKey: each ifAbsent: [ ].
>                 self queryFields isEmpty
>                     ifTrue: [ self queryFields: nil ] ] ]
>
> It is also possible to change the WAUrl>>encodeOn: method to check for an
> empty queryFields collection.
>
> Jan.
>
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