Keep reference bindings out of template.fields, in template.refHeads

graph.go

@@ -78,14 +78,9 @@ func contained(n node) []namedNode {
 	}
 }
 
-// named skips a bound {/path} key: it is a render edge, not containment, so using
-// it as a path segment would report a node under a path that does not reach it.
 func named(m map[string]node) []namedNode {
 	out := make([]namedNode, 0, len(m))
 	for _, name := range sortedNames(m) {
-		if isRef(name) {
-			continue
-		}
 		out = append(out, namedNode{name: name, node: m[name]})
 	}
 	return out
@@ -134,8 +129,8 @@ func renderEdges(n node) []renderEdge {
 		var es []renderEdge
 		add := func(name, operand string) {
 			a := splitArm(name, n.refs)
-			c, ok := n.fields[a.key]
-			if !ok {
+			c := n.head(a.key)
+			if c == nil {
 				return
 			}
 			for _, leaf := range pathLeaves(c, a.tail) {