Using the following code:
	You can still pick the fields when you right click on the headerspan (as seen in the attached image)
I see this on version v8.3d_2012-10-31/PowerEdition Deployment (built 2012-10-31) on Firefox 10 with GWT 2.4
					Code:
	
	ListGrid listGrid = new ListGrid();
		ListGridField foo = new ListGridField("foo", "foo");
		ListGridField blah = new ListGridField("blah", "blah");
		HeaderSpan headerSpan = new HeaderSpan("bar", new String[]{"foo", "blah"});
		listGrid.setFields(foo, blah);
		listGrid.setHeaderSpans(headerSpan);
		listGrid.setCanPickFields(false);
I see this on version v8.3d_2012-10-31/PowerEdition Deployment (built 2012-10-31) on Firefox 10 with GWT 2.4

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