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# Layout Options

Layout options returned as a bit mask by the [`layoutOptions()`](/documentation/AppKit/NSGlyphStorage/layoutOptions()) method.

## Topics

### Constants

[`var NSShowControlGlyphs: Int`](/documentation/AppKit/NSShowControlGlyphs)

Generates displayable glyphs for control characters.

[`var NSShowInvisibleGlyphs: Int`](/documentation/AppKit/NSShowInvisibleGlyphs)

Generates displayable glyphs for invisible characters.

[`var NSWantsBidiLevels: Int`](/documentation/AppKit/NSWantsBidiLevels)

Generates directional formatting codes for bidirectional text.


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