edge color themes

diff --git a/share/gui/attrs.txt b/share/gui/attrs.txt
index 2fe9bc1f30c86ff890eac59fe9c0925d8f5d53f0..b75beb07198c6da0037dc24dd2cc1c82faad9619 100755 (executable)
--- a/share/gui/attrs.txt
+++ b/share/gui/attrs.txt
@@ -15,6 +15,7 @@ B,compound, false, GRAPH, DOT
 B,concentrate, false, GRAPH, DOT
 B,constraint, true, EDGE, DOT
 B,decorate, false, EDGE, ALL_ENGINES
+D,dir, forward, EDGE, ALL_ENGINES
 F,distortion, 0.0, NODE, ALL_ENGINES
 C,fillcolor, lightgrey, NODE Or CLUSTER, ALL_ENGINES
 B,fixedsize, false, NODE, ALL_ENGINES