| Label | |
| 1 (Type/Class) | Data.GraphViz.Attributes, Data.GraphViz |
| 2 (Data Constructor) | Data.GraphViz.Attributes, Data.GraphViz |
| LabelAngle | Data.GraphViz.Attributes, Data.GraphViz |
| LabelDistance | Data.GraphViz.Attributes, Data.GraphViz |
| LabelFloat | Data.GraphViz.Attributes, Data.GraphViz |
| LabelFontColor | Data.GraphViz.Attributes, Data.GraphViz |
| LabelFontName | Data.GraphViz.Attributes, Data.GraphViz |
| LabelFontSize | Data.GraphViz.Attributes, Data.GraphViz |
| LabelJust | Data.GraphViz.Attributes, Data.GraphViz |
| LabelLoc | Data.GraphViz.Attributes, Data.GraphViz |
| LabelTarget | Data.GraphViz.Attributes, Data.GraphViz |
| LabelTooltip | Data.GraphViz.Attributes, Data.GraphViz |
| LabelURL | Data.GraphViz.Attributes, Data.GraphViz |
| Landscape | Data.GraphViz.Attributes, Data.GraphViz |
| Layer | Data.GraphViz.Attributes, Data.GraphViz |
| LayerID | Data.GraphViz.Attributes, Data.GraphViz |
| LayerList | Data.GraphViz.Attributes, Data.GraphViz |
| LayerRange | Data.GraphViz.Attributes, Data.GraphViz |
| Layers | Data.GraphViz.Attributes, Data.GraphViz |
| LayerSep | Data.GraphViz.Attributes, Data.GraphViz |
| Layout | Data.GraphViz.Attributes, Data.GraphViz |
| Lb | Data.GraphViz.Attributes, Data.GraphViz |
| Len | Data.GraphViz.Attributes, Data.GraphViz |
| Levels | Data.GraphViz.Attributes, Data.GraphViz |
| LevelsGap | Data.GraphViz.Attributes, Data.GraphViz |
| LHead | Data.GraphViz.Attributes, Data.GraphViz |
| LineEdges | Data.GraphViz.Attributes, Data.GraphViz |
| LL | Data.GraphViz.Attributes, Data.GraphViz |
| Local | Data.GraphViz.Attributes, Data.GraphViz |
| LP | Data.GraphViz.Attributes, Data.GraphViz |
| LRID | Data.GraphViz.Attributes, Data.GraphViz |
| LRInt | Data.GraphViz.Attributes, Data.GraphViz |
| LRName | Data.GraphViz.Attributes, Data.GraphViz |
| LRS | Data.GraphViz.Attributes, Data.GraphViz |
| Lt | Data.GraphViz.Attributes, Data.GraphViz |
| LTail | Data.GraphViz.Attributes, Data.GraphViz |