| debold | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| defaultPrefs | Options.Applicative.Builder, Options.Applicative |
| DefaultProp | |
| 1 (Type/Class) | Options.Applicative.Builder.Internal |
| 2 (Data Constructor) | Options.Applicative.Builder.Internal |
| deunderline | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| disabled | Options.Applicative.Builder, Options.Applicative |
| disamb | Options.Applicative.Internal |
| disambiguate | Options.Applicative.Builder, Options.Applicative |
| displayIO | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| displayS | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| Doc | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dot | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| double | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dquote | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dquotes | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullblack | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullblue | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullcyan | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullgreen | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullmagenta | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullred | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullwhite | Options.Applicative.Help.Pretty, Options.Applicative.Help |
| dullyellow | Options.Applicative.Help.Pretty, Options.Applicative.Help |