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[Andy Ray Terrel <andy.terrel@xxxxxxxxx>]

Okay so Brezzi Fortin have just a bubble function with one node.
Perhaps they meant P3 but their notation is ambiguous.
ArnoldBrezziFortin1984 does call for the P3 in the original paper but
then they mention using 2 P4 bubble functions for the next velocity
order.  If I do enrich with 2 P4 bubbles with ffc will the bubble
functions be any different.  It just seems like it will give exactly
the same evaluation points as enriching with 1 bubble function.

-- Andy