Question: Why will Maple not accept foci and MajorAxis arguments for defining an ellipse?

I try to define an ellipse using the geometry package


ellipse(e1,['foci'=[[0,1],[4,1]], 'MajorAxis' = 8],[x,y]);


I get the message:  Error, (in geometry:-ellipse) wrong type of arguments

but the documentation tells me that I can define an ellipse this way...


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