RelativePathPrefixHandler and WicketMessageTagHandler conflict
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                 Key: WICKET-590
                 URL: https://issues.apache.org/jira/browse/WICKET-590
             Project: Wicket
          Issue Type: Bug
          Components: wicket
    Affects Versions: trunk
            Reporter: Alastair Maw
            Priority: Minor
             Fix For: 1.3.0-rc1



We have a bit of an issue with IMarkupFilter implementations, in that you can't 
currently layer two different IComponentResolvers if they both want to alter 
the same thing.

This is currently an issue for SimplePageTest for testRenderHomePage_7, which 
is why that's failing.

Specifically, it goes:
<input type="image"
       src="test.gif"
       wicket:message="attr-name:i18n-key">test 2</input>

Correct behaviour here is:
 - Prepend the src attribute with "../" links to make it
   context-relative.
 - Add an attribute "attr-name" with the appropriate i18n message.

MarkupParser adds WicketMessageTagHandler is before the 
RelativePathPrefixHandler, so currently that "wins" and resolves the component 
first. It doesn't get added as a RelativePathPrefixHandler auto-add component, 
so the behaviour to prefix URLs isn't added, so the src attribute remains 
"test.gif", not "../test.gif" and the test fails.

We need to somehow support chaining these things together, but I'm not sure how 
- it's really not obvious. 

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