This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)


is an option for Cell which specifies whether styles that are specified to be automatically used for various syntactic and other constructs should be shown.
  • The default setting is ShowAutoStyles->True.
  • Details of automatic styles can be specified in the setting for AutoStyleOptions.
  • For example, unmatched delimiters such as brackets are by default shown in purple.
Create a raw box structure with an unmatched brace:
Click for copyable input
Compare a cell that automatically highlights the unmatched brace with one that does not:
Click for copyable input
Click for copyable input
Click for copyable input
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