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Documentation / Mathematica / Built-in Functions / Input and Output / Box Types /

ErrorBox

FilledSmallSquare ErrorBox[boxes] represents boxes that cannot be interpreted in input or output.

FilledSmallSquare ErrorBox[boxes] typically displays as the raw form of boxes together with underlining that indicates parts that cannot be interpreted.

FilledSmallSquare See Section 2.9.10.

FilledSmallSquare See also: TagBox, InterpretationBox, ToExpression.

FilledSmallSquare New in Version 3.