"Damping", "0.99", GRAPH, NEATO
"Epsilon", "", GRAPH, NEATO
"URL", "", ANY_ELEMENT, ALL_ENGINES
"arrowhead", "normal", EDGE, ALL_ENGINES
"arrowsize", "1.0", EDGE, ALL_ENGINES
"arrowtail", "normal", EDGE, ALL_ENGINES
"bb", "", GRAPH, ALL_ENGINES
"bgcolor", "", GRAPH Or CLUSTER, ALL_ENGINES
"bottomlabel", "", NODE, ALL_ENGINES
"center", "false", GRAPH, ALL_ENGINES
"clusterrank", "local", GRAPH, DOT
"color", "black", EDGE Or NODE Or CLUSTER, ALL_ENGINES
"comment", "", EDGE Or NODE Or GRAPH, ALL_ENGINES
"compound", "false", GRAPH, DOT
"concentrate", "false", GRAPH, DOT
"constraint", "true", EDGE, DOT
"decorate", "false", EDGE, ALL_ENGINES
"dir", "forward", EDGE, ALL_ENGINES
"distortion", "0.0", NODE, ALL_ENGINES
"fillcolor", "lightgrey", NODE Or CLUSTER, ALL_ENGINES
"fixedsize", "false", NODE, ALL_ENGINES
"fontcolor", "black", EDGE Or NODE Or GRAPH Or CLUSTER, ALL_ENGINES
"fontname", "Times-Roman", EDGE Or NODE Or GRAPH Or CLUSTER, ALL_ENGINES
"fontpath", "", GRAPH, ALL_ENGINES
"fontsize", "14.0", EDGE Or NODE Or GRAPH Or CLUSTER, ALL_ENGINES
"group", "", NODE, DOT
"headURL", "", EDGE, ALL_ENGINES
"headlabel", "", EDGE, ALL_ENGINES
"headport", "center", EDGE, ALL_ENGINES
"height", "0.5", NODE, ALL_ENGINES
"label", "", EDGE Or NODE Or GRAPH Or CLUSTER, ALL_ENGINES
"labelangle", "-25.0", EDGE, ALL_ENGINES
"labeldistance", "1.0", EDGE, ALL_ENGINES
"labelfloat", "false", EDGE, ALL_ENGINES
"labelfontcolor", "black", EDGE, ALL_ENGINES
"labelfontname", "Times-Roman", EDGE, ALL_ENGINES
"labelfontsize", "11.0", EDGE, ALL_ENGINES
"labeljust", "", ANY_ELEMENT, DOT
"labelloc", "t", GRAPH Or CLUSTER, DOT
"layer", "", EDGE Or NODE, ALL_ENGINES
"layers", "", GRAPH, ALL_ENGINES
"len", "1.0", EDGE, NEATO
"lhead", "", EDGE, DOT
"lp", "", EDGE Or GRAPH Or CLUSTER, ALL_ENGINES
"ltail", "", EDGE, DOT
"margin", "", GRAPH, ALL_ENGINES
"maxiter", "", GRAPH, NEATO
"mclimit", "1.0", GRAPH, DOT
"minlen", "1", EDGE, DOT
"model", "", GRAPH, NEATO
"nodesep", "0.25", GRAPH, DOT
"normalize", "false", GRAPH, NEATO
"nslimit", "", GRAPH, DOT
"ordering", "", GRAPH, DOT
"orientation", "0.0", NODE, ALL_ENGINES
"orientation", "", GRAPH, ALL_ENGINES
"overlap", "", GRAPH, NEATO
"pack", "false", GRAPH, NEATO
"page", "", GRAPH, ALL_ENGINES
"pagedir", "", GRAPH, ALL_ENGINES
"pencolor", "black", CLUSTER, ALL_ENGINES
"peripheries", "0", NODE, ALL_ENGINES
"pin", "false", NODE, NEATO
"pos", "", EDGE Or NODE, ALL_ENGINES
"quantum", "0.0", GRAPH, ALL_ENGINES
"rank", "", SUBGRAPH, DOT
"rankdir", "", GRAPH, DOT
"ranksep", "", GRAPH, ALL_ENGINES
"ratio", "", GRAPH, ALL_ENGINES
"rects", "", NODE, ALL_ENGINES
"regular", "false", NODE, ALL_ENGINES
"remincross", "false", GRAPH, DOT
"rotate", "0", GRAPH, ALL_ENGINES
"samehead", "", EDGE, DOT
"sametail", "", EDGE, DOT
"samplepoints", "8", GRAPH, ALL_ENGINES
"searchsize", "30", GRAPH, DOT
"sep", "0.01", GRAPH, NEATO
"shape", "ellipse", NODE, ALL_ENGINES
"shapefile", "", NODE, ALL_ENGINES
"showboxes", "0", EDGE Or NODE Or GRAPH, DOT
"sides", "4", NODE, ALL_ENGINES
"size", "", GRAPH, ALL_ENGINES
"skew", "0.0", NODE, ALL_ENGINES
"splines", "false", GRAPH, NEATO
"start", "", GRAPH, ALL_ENGINES
"style", "", EDGE Or NODE, ALL_ENGINES
"stylesheet", "", GRAPH, ALL_ENGINES
"tailURL", "", EDGE, ALL_ENGINES
"taillabel", "", EDGE, ALL_ENGINES
"tailport", "center", EDGE, ALL_ENGINES
"toplabel", "", NODE, ALL_ENGINES
"vertices", "", NODE, ALL_ENGINES
"voro_margin", "0.05", GRAPH, NEATO
"weight", "", EDGE, DOT Or NEATO
"width", "0.75", NODE, ALL_ENGINES
"z", "0.0", NODE, ALL_ENGINES