This is documentation for Mathematica 4, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

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Locked

FilledSmallSquareLocked is an attribute which, once assigned, prevents modification of any attributes of a symbol.

FilledSmallSquare See The Mathematica Book: Section 2.5.3.

FilledSmallSquare See also: Protected, ReadProtected.

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