Expand option in tasklist (xfce4-panel, svn)

[Pau Rul·lan Ferragut]

	hi people!

Today I realized there is an option in the properties of the "Task List"
item (in svn trunk xfce4-panel). I wondered that it meant the bar would
expand so all the task in the window fit there. But I press the button and
nothing changes. 

I am missing something?
Should I debug it in some way?

I did not wanted to fill a bug because perhaps is just my stupidness.

  cheers!

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