Question: Labeling columns on a BarChart / ColumnGraph post plots:-setoptions

Even though I was using the thoughtful answer provided by a poster in a previous MaplePrimes question, I was unable to successfully place labels on a column graph.  I have reduced the problem to adding a plots:-setoptions call, of any type, before calling ColumnGraph:



T := [StringTools[CharacterFrequencies]("antidisestablishmentarianism")]

["a" = 4, "b" = 1, "d" = 1, "e" = 2, "h" = 1, "i" = 5, "l" = 1, "m" = 2, "n" = 3, "r" = 1, "s" = 4, "t" = 3]




plots:-setoptions(size = [300, 250])


Error, (in Statistics:-ColumnGraph) expecting plot structure but received: ROOT(BOUNDS_X(0), BOUNDS_Y(0), BOUNDS_WIDTH(300), BOUNDS_HEIGHT(250))






The challenge for me is that for my work, several default plot parameters require changing including the default plot size which is too large. Hence my Maple initialization file includes calls to plots:-setoptions. Is this a bug in the ColumnGraph command and is there a work around that does not include removing the plots:-setoptions from my initialization file? Note: this problem occurs both in Maple 2019 and 2020. 

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