| DateTransition | Matterhorn.Types.Posts, Matterhorn.Types |
| dateTransitionAttr | Matterhorn.Themes |
| Decimal | Matterhorn.Types.RichText |
| decodeFloat | Matterhorn.Prelude |
| DefaultAlignedCol | Matterhorn.Types.RichText |
| defaultBindings | Matterhorn.Events.Keybindings |
| defaultConfig | Matterhorn.Config |
| defaultEphemeralEditState | Matterhorn.Types.EditState, Matterhorn.Types |
| defaultOptions | Matterhorn.Options |
| defaultTheme | Matterhorn.Themes |
| defaultUserPreferences | Matterhorn.Types |
| DeleteChannelConfirm | Matterhorn.Types |
| deleteCurrentChannel | Matterhorn.State.Channels |
| deleteMessage | Matterhorn.State.Messages |
| DeleteMessageEvent | Matterhorn.Types.KeyEvents, Matterhorn.Events.Keybindings |
| deleteSelectedMessage | Matterhorn.State.MessageSelect |
| DelimiterType | Matterhorn.Types.RichText |
| DesktopNotificationsField | Matterhorn.Types.Core, Matterhorn.Types |
| dialogAttr | Matterhorn.Themes |
| dialogEmphAttr | Matterhorn.Themes |
| Direction | Matterhorn.State.Editing |
| DirectionalSeq | Matterhorn.Types.DirectionalSeq |
| dirSeqBreakl | Matterhorn.Types.DirectionalSeq |
| dirSeqPartition | Matterhorn.Types.DirectionalSeq |
| Disabled | Matterhorn.Types |
| disconnectChannels | Matterhorn.State.Messages |
| Disconnected | Matterhorn.Types |
| dispatchCommand | Matterhorn.Command |
| DisplayError | Matterhorn.Types |
| displayNameForUser | Matterhorn.Types |
| displayNameForUserId | Matterhorn.Types |
| div | Matterhorn.Prelude |
| divMod | Matterhorn.Prelude |
| dmChannelShowPreference | Matterhorn.Types |
| doAsync | Matterhorn.State.Async, Matterhorn.State.Common |
| doAsyncChannelMM | Matterhorn.State.Async, Matterhorn.State.Common |
| doAsyncIO | Matterhorn.State.Async, Matterhorn.State.Common |
| doAsyncMM | Matterhorn.State.Async, Matterhorn.State.Common |
| doAsyncWith | Matterhorn.State.Async, Matterhorn.State.Common |
| doAsyncWithIO | Matterhorn.State.Async, Matterhorn.State.Common |
| doLineWrapping | Matterhorn.Draw.RichText.Wrap |
| DoNotDisturb | Matterhorn.Types.Users, Matterhorn.Types |
| doPendingUserFetches | Matterhorn.State.Common |
| doPendingUserStatusFetches | Matterhorn.State.Common |
| Double | Matterhorn.Prelude |
| draw | Matterhorn.Draw |
| drawAttachmentList | Matterhorn.Draw.ManageAttachments |
| drawAutocompleteLayers | Matterhorn.Draw.Autocomplete |
| drawButton | Matterhorn.Draw.Buttons |
| drawChannelListWindow | Matterhorn.Draw.ChannelListWindow |
| drawChannelSelectPrompt | Matterhorn.Draw.ChannelSelectPrompt |
| drawChannelTopicWindow | Matterhorn.Draw.ChannelTopicWindow |
| drawDeleteChannelConfirm | Matterhorn.Draw.DeleteChannelConfirm |
| drawFileBrowser | Matterhorn.Draw.ManageAttachments |
| drawLeaveChannelConfirm | Matterhorn.Draw.LeaveChannelConfirm |
| drawListWindow | Matterhorn.Draw.ListWindow |
| drawMain | Matterhorn.Draw.Main |
| drawMessageDeleteConfirm | Matterhorn.Draw.MessageDeleteConfirm |
| drawMessageInterface | Matterhorn.Draw.MessageInterface |
| drawNotifyPrefs | Matterhorn.Draw.NotifyPrefs |
| drawPostListWindow | Matterhorn.Draw.PostListWindow |
| drawPostsBox | Matterhorn.Draw.PostListWindow |
| drawReactionEmojiListWindow | Matterhorn.Draw.ReactionEmojiListWindow |
| drawShowHelp | Matterhorn.Draw.ShowHelp |
| drawTabbedWindow | Matterhorn.Draw.TabbedWindow |
| drawThemeListWindow | Matterhorn.Draw.ThemeListWindow |
| drawUserListWindow | Matterhorn.Draw.UserListWindow |
| drop | Matterhorn.Prelude |
| dropWhile | Matterhorn.Prelude |
| DSeq | Matterhorn.Types.DirectionalSeq |
| dseq | Matterhorn.Types.DirectionalSeq |