| rangeColumns | Graphics.Vty.UnicodeWidthTable.Types |
| rangeSize | Graphics.Vty.UnicodeWidthTable.Types |
| rangeStart | Graphics.Vty.UnicodeWidthTable.Types |
| readChar | Graphics.Vty.Input.Classify.Parse |
| readInt | Graphics.Vty.Input.Classify.Parse |
| readUnicodeWidthTable | Graphics.Vty.UnicodeWidthTable.IO |
| red | Graphics.Vty.Attributes.Color, Graphics.Vty.Attributes, Graphics.Vty |
| refresh | Graphics.Vty |
| region | Graphics.Vty.PictureToSpans |
| regionForWindow | Graphics.Vty.Debug |
| regionHeight | Graphics.Vty.Image, Graphics.Vty |
| regionWidth | Graphics.Vty.Image, Graphics.Vty |
| releaseDisplay | Graphics.Vty.Output.Interface, Graphics.Vty |
| releaseTerminal | Graphics.Vty.Output.Interface, Graphics.Vty |
| remainingColumns | Graphics.Vty.PictureToSpans |
| remainingRows | Graphics.Vty.PictureToSpans |
| RemoveBlink | Graphics.Vty.DisplayAttributes |
| RemoveBold | Graphics.Vty.DisplayAttributes |
| RemoveDim | Graphics.Vty.DisplayAttributes |
| RemoveItalic | Graphics.Vty.DisplayAttributes |
| RemoveReverseVideo | Graphics.Vty.DisplayAttributes |
| RemoveStandout | Graphics.Vty.DisplayAttributes |
| RemoveStrikethrough | Graphics.Vty.DisplayAttributes |
| removeStyle | Graphics.Vty.Inline |
| RemoveUnderline | Graphics.Vty.DisplayAttributes |
| requestFocusEvents | Graphics.Vty.Input.Focus |
| requestMouseEvents | Graphics.Vty.Input.Mouse |
| reserveDisplay | Graphics.Vty.Output.Interface, Graphics.Vty |
| reserveTerminal | |
| 1 (Function) | Graphics.Vty.Output.TerminfoBased |
| 2 (Function) | Graphics.Vty.Output.XTermColor |
| resize | Graphics.Vty.Image, Graphics.Vty |
| resizeHeight | Graphics.Vty.Image, Graphics.Vty |
| resizeWidth | Graphics.Vty.Image, Graphics.Vty |
| restoreInputState | Graphics.Vty.Input, Graphics.Vty |
| reverseTransform | Graphics.Vty.Debug |
| reverseVideo | Graphics.Vty.Attributes, Graphics.Vty |
| rgbColor | Graphics.Vty.Attributes.Color, Graphics.Vty.Attributes, Graphics.Vty |
| rgbColorToColor240 | Graphics.Vty.Attributes.Color, Graphics.Vty.Attributes, Graphics.Vty |
| ringTerminalBell | Graphics.Vty.Output.Interface, Graphics.Vty |
| RowEnd | Graphics.Vty.Span |
| rowOffset | Graphics.Vty.PictureToSpans |
| rowOpsAffectedColumns | Graphics.Vty.Debug |
| runParseConfig | Graphics.Vty.Config, Graphics.Vty |
| runParser | Graphics.Vty.Input.Classify.Parse |