| UIComponentSignalHandler | Hoodle.Type.HoodleState, Hoodle.Type |
| uiComponentSignalHandler | Hoodle.Type.HoodleState, Hoodle.Type |
| UIEv | Hoodle.Type.Event, Hoodle.Type |
| UIEvent | Hoodle.Type.Event, Hoodle.Type |
| UIGetFlag | Hoodle.Type.Event, Hoodle.Type |
| unboxBiAct | Hoodle.Type.Canvas, Hoodle.Type |
| unboxBiXform | Hoodle.Type.Canvas, Hoodle.Type |
| unboxLens | Hoodle.Type.Canvas, Hoodle.Type |
| unCanvasDimension | Hoodle.Type.PageArrangement |
| unCanvasOrigin | Hoodle.Type.PageArrangement |
| unClipboard | Hoodle.Type.Clipboard |
| unCmpBBox | Hoodle.ModelAction.Select |
| unContPageDraw | Hoodle.View.Draw |
| uncurry4 | Hoodle.Util |
| unCvsCoord | Hoodle.Type.PageArrangement |
| unDeskCoord | Hoodle.Type.PageArrangement |
| unDesktopDimension | Hoodle.Type.PageArrangement |
| undo | Hoodle.Coroutine.Commit |
| UndoTable | |
| 1 (Type/Class) | Hoodle.Type.Undo |
| 2 (Data Constructor) | Hoodle.Type.Undo |
| undoTable | Hoodle.Type.HoodleState, Hoodle.Type |
| undo_allowednum | Hoodle.Type.Undo |
| undo_totalnum | Hoodle.Type.Undo |
| undo_zipper | Hoodle.Type.Undo |
| unitButton | Hoodle.Type.HoodleState, Hoodle.Type |
| UnitHoodle | Hoodle.Type.HoodleState, Hoodle.Type |
| unitHoodles | Hoodle.Type.HoodleState, Hoodle.Type |
| unitKey | Hoodle.Type.HoodleState, Hoodle.Type |
| unitUUID | Hoodle.Type.HoodleState, Hoodle.Type |
| unPageCoord | Hoodle.Type.PageArrangement |
| unPageDimension | Hoodle.Type.PageArrangement |
| unPageNum | Hoodle.Type.PageArrangement |
| unPageOrigin | Hoodle.Type.PageArrangement |
| unScrCoord | Hoodle.Type.PageArrangement |
| unScreenDimension | Hoodle.Type.PageArrangement |
| unSinglePageDraw | Hoodle.View.Draw |
| unView | Hoodle.Type.HoodleState, Hoodle.Type |
| unViewPortBBox | Hoodle.Type.PageArrangement |
| updateBkgCache | Hoodle.Coroutine.Page |
| UpdateCanvas | Hoodle.Type.Event, Hoodle.Type |
| updateCanvasDimForContSingle | Hoodle.Type.Canvas, Hoodle.Type |
| updateCanvasDimForSingle | Hoodle.Type.Canvas, Hoodle.Type |
| UpdateCanvasEfficient | Hoodle.Type.Event, Hoodle.Type |
| updateCanvasInfo | Hoodle.Coroutine.Scroll |
| updateCanvasInfo2 | Hoodle.Coroutine.Scroll |
| updateClipboard | Hoodle.ModelAction.Clipboard |
| updateCvsInfoFrmHoodle | Hoodle.ModelAction.Page |
| updateFlagFromToggleUI | Hoodle.Coroutine.Draw |
| updateFromCanvasInfoAsCurrentCanvas | Hoodle.Type.HoodleState, Hoodle.Type |
| updateLayerCache | Hoodle.Coroutine.Page |
| updatePage | Hoodle.ModelAction.Page |
| updatePageAll | Hoodle.ModelAction.Page |
| updatePageCache | Hoodle.Coroutine.Page |
| updateTempHoodleSelect | Hoodle.ModelAction.Select |
| updateTempHoodleSelectM | Hoodle.Coroutine.Select.Clipboard |
| updateTempRender | Hoodle.ModelAction.Pen |
| updateUhdl | Hoodle.Accessor |
| updateXState | Hoodle.Accessor |
| urlParse | Hoodle.Util |
| UrlPath | Hoodle.Util |
| UserEvent | Hoodle.Type.Event, Hoodle.Type |
| UsrEv | Hoodle.Type.Event, Hoodle.Type |