Replace the unicode arrows

main/src/main/scala/sbt/internal/graph/backend/IvyReport.scala

@@ -20,13 +20,13 @@ object IvyReport {
   def fromReportXML(doc: Document): ModuleGraph = {
     def edgesForModule(id: GraphModuleId, revision: NodeSeq): Seq[Edge] =
       for {
-        caller ← revision \ "caller"
+        caller <- revision \ "caller"
         callerModule = moduleIdFromElement(caller, caller.attribute("callerrev").get.text)
       } yield (moduleIdFromElement(caller, caller.attribute("callerrev").get.text), id)
 
     val moduleEdges: Seq[(Module, Seq[Edge])] = for {
-      mod ← doc \ "dependencies" \ "module"
-      revision ← mod \ "revision"
+      mod <- doc \ "dependencies" \ "module"
+      revision <- mod \ "revision"
       rev = revision.attribute("name").get.text
       moduleId = moduleIdFromElement(mod, rev)
       module = Module(

main/src/main/scala/sbt/internal/graph/rendering/DOT.scala

@@ -20,7 +20,7 @@ object DOT {
       labelRendering: HTMLLabelRendering
   ): String = {
     val nodes = {
-      for (n ← graph.nodes) yield {
+      for (n <- graph.nodes) yield {
         val style = if (n.isEvicted) EvictedStyle else ""
         val label = nodeFormation(n.id.organization, n.id.name, n.id.version)
         """    "%s"[%s style="%s"]""".format(
@@ -56,7 +56,7 @@ object DOT {
         .filterNot(e => originWasEvicted(e) || evictionTargetEdges(e)) ++ evictedByEdges
 
     val edges = {
-      for (e ← filteredEdges) yield {
+      for (e <- filteredEdges) yield {
         val extra =
           if (graph.module(e._1).isEvicted)
             s""" [label="Evicted By" style="$EvictedStyle"]"""

main/src/main/scala/sbt/internal/graph/rendering/GraphML.scala

@@ -15,7 +15,7 @@ import scala.xml.XML
 object GraphML {
   def saveAsGraphML(graph: ModuleGraph, outputFile: String): Unit = {
     val nodesXml =
-      for (n ← graph.nodes)
+      for (n <- graph.nodes)
         yield <node id={n.id.idString}><data key="d0">
                                            <y:ShapeNode>
                                              <y:NodeLabel>{n.id.idString}</y:NodeLabel>
@@ -23,7 +23,7 @@ object GraphML {
                                          </data></node>
 
     val edgesXml =
-      for (e ← graph.edges)
+      for (e <- graph.edges)
         yield <edge source={e._1.idString} target={e._2.idString}/>
 
     val xml =