diff --git a/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriter.java b/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriter.java
index e8a170a8..52239c60 100644
--- a/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriter.java
+++ b/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriter.java
@@ -153,15 +153,10 @@ public String toPlantUml(
         historyStatesToHistoryId = StateMachineHelper.collectHistoryStates(stateMachine);
         historyTransitions = new ArrayList<>();
 
-        StringBuilder sb = new StringBuilder();
-        sb.append("""
-                @startuml
-                'https://plantuml.com/state-diagram
-                                
-                'hide description area for state without description
-                hide empty description
-                                
-                """);
+        StringBuilder sb = new StringBuilder("@startuml\n")
+                .append(PlantUmlWriterParameters.getStateDiagramSettings(plantUmlWriterParameters))
+                .append("\n");
+
 
         // 2nd pass: processing statemachine AND collecting history transitions in 'historyTransitions
         processRegion(stateMachine, stateContext, plantUmlWriterParameters, sb, "", null);
@@ -651,7 +646,7 @@ private void processPseudoStatesTransition(
         S target = targetState.getId();
         sb.append("""
                 %s%s
-                %s%s -%s[%s]-> %s %s
+                %s%s -%s%s-> %s %s
                 """
                 .formatted(
                         indent,
@@ -746,7 +741,7 @@ private void addTransition(
             Transition<S, E> transition
     ) {
         sb.append("""
-                %s%s -%s[%s]-> %s %s
+                %s%s -%s%s-> %s %s
                 """
                 .formatted(
                         indent,
diff --git a/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriterParameters.java b/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriterParameters.java
index c49120f3..35080327 100644
--- a/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriterParameters.java
+++ b/spring-statemachine-uml/src/main/java/org/springframework/statemachine/plantuml/PlantUmlWriterParameters.java
@@ -1,9 +1,6 @@
 package org.springframework.statemachine.plantuml;
 
-import lombok.Builder;
-import lombok.EqualsAndHashCode;
-import lombok.Getter;
-import lombok.Value;
+import lombok.*;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.lang.Nullable;
@@ -21,7 +18,48 @@ public class PlantUmlWriterParameters<S> {
 
     private static final Log log = LogFactory.getLog(PlantUmlWriterParameters.class);
 
-    // TODO add hidden arrows  'S1 -[hidden]-> S2'
+    public static final String DEFAULT_STATE_DIAGRAM_SETTINGS = """
+            'https://plantuml.com/state-diagram
+                        
+            'hide description area for state without description
+            hide empty description
+                        
+            'https://plantuml.com/fr/skinparam
+            'https://plantuml-documentation.readthedocs.io/en/latest/formatting/all-skin-params.html
+            'https://plantuml.com/fr/color
+            skinparam BackgroundColor white
+            skinparam DefaultFontColor black
+            'skinparam DefaultFontName Impact
+            skinparam DefaultFontSize 14
+            skinparam DefaultFontStyle Normal
+            skinparam NoteBackgroundColor #FEFFDD
+            skinparam NoteBorderColor black
+                        
+            skinparam state {
+              ArrowColor black
+              BackgroundColor #F1F1F1
+              BorderColor #181818
+              FontColor black
+            '  FontName Impact
+              FontSize 14
+              FontStyle Normal
+            }
+            """;
+
+    @Setter
+    private String stateDiagramSettings = DEFAULT_STATE_DIAGRAM_SETTINGS;
+
+    public static String getStateDiagramSettings(@Nullable PlantUmlWriterParameters<?> plantUmlWriterParameters) {
+        return plantUmlWriterParameters == null
+                ? DEFAULT_STATE_DIAGRAM_SETTINGS
+                : plantUmlWriterParameters.getStateDiagramSettings();
+    }
+
+    private String getStateDiagramSettings() {
+        return stateDiagramSettings == null
+                ? ""
+                : stateDiagramSettings;
+    }
 
     /**
      * Direction of an arrow connecting 2 States
@@ -206,7 +244,7 @@ public String getStateColor(S state, @Nullable S currentState) {
     }
 
     public String getArrowColor(boolean isCurrentTransaction) {
-        return isCurrentTransaction ? "#FF0000" : "#000000";
+        return isCurrentTransaction ? "[#FF0000]" : "";
     }
 
 }
diff --git a/spring-statemachine-uml/src/test/java/org/springframework/statemachine/plantuml/PlantUmlWriterTest.java b/spring-statemachine-uml/src/test/java/org/springframework/statemachine/plantuml/PlantUmlWriterTest.java
index 59401263..5a034e67 100644
--- a/spring-statemachine-uml/src/test/java/org/springframework/statemachine/plantuml/PlantUmlWriterTest.java
+++ b/spring-statemachine-uml/src/test/java/org/springframework/statemachine/plantuml/PlantUmlWriterTest.java
@@ -110,6 +110,15 @@ void plantUmlTest(String resourcePath, PlantUmlWriterParameters<String> plantUml
         // make umlStateMachineModelFactory aware of beans available in BeansForUmlFiles.class
         umlStateMachineModelFactory.setBeanFactory(context);
 
+        if (plantUmlWriterParameters == null) {
+            plantUmlWriterParameters = new PlantUmlWriterParameters<>();
+        }// setting some PlantUml parameters
+        plantUmlWriterParameters.setStateDiagramSettings("""
+                'https://plantuml.com/state-diagram
+                
+                'hide description area for state without description
+                hide empty description
+                """);
         // Dumping statemachine to PlantUml diagram
         String stateMachineAsPlantUML = new PlantUmlWriter<String, String>()
                 .toPlantUml(
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-choice.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-choice.puml
index c2f7d230..7bd8bbf5 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-choice.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-choice.puml
@@ -18,13 +18,13 @@ state S5
 state S6
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> CHOICE1 : E1\n/ s1ToChoice
-CHOICE1 -down[#000000]-> CHOICE2 : [choice2Guard]\n/ choice1ToChoice2
-CHOICE2 -down[#000000]-> S6 : / choiceToS6
-CHOICE2 -down[#000000]-> S5 : [s5Guard]\n/ choiceToS5
-CHOICE1 -down[#000000]-> S4 : / choiceToS4
-CHOICE1 -down[#000000]-> S3 : [s3Guard]
-CHOICE1 -down[#000000]-> S2 : [s2Guard]\n/ choiceToS2
+[*] --> S1
+CHOICE1 -down-> CHOICE2 : [choice2Guard]\n/ choice1ToChoice2
+CHOICE1 -down-> S2 : [s2Guard]\n/ choiceToS2
+CHOICE1 -down-> S3 : [s3Guard]
+CHOICE1 -down-> S4 : / choiceToS4
+CHOICE2 -down-> S5 : [s5Guard]\n/ choiceToS5
+CHOICE2 -down-> S6 : / choiceToS6
+S1 -down-> CHOICE1 : E1\n/ s1ToChoice
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-junction.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-junction.puml
index 4df00132..07b2c50d 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-junction.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/action-with-transition-junction.puml
@@ -18,13 +18,13 @@ state S5
 state S6
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> JUNCTION1 : E1\n/ s1ToChoice
-JUNCTION1 -down[#000000]-> JUNCTION2 : [choice2Guard]\n/ choice1ToChoice2
-JUNCTION2 -down[#000000]-> S6 : / choiceToS6
-JUNCTION2 -down[#000000]-> S5 : [s5Guard]\n/ choiceToS5
-JUNCTION1 -down[#000000]-> S4 : / choiceToS4
-JUNCTION1 -down[#000000]-> S3 : [s3Guard]
-JUNCTION1 -down[#000000]-> S2 : [s2Guard]\n/ choiceToS2
+[*] --> S1
+JUNCTION1 -down-> JUNCTION2 : [choice2Guard]\n/ choice1ToChoice2
+JUNCTION1 -down-> S2 : [s2Guard]\n/ choiceToS2
+JUNCTION1 -down-> S3 : [s3Guard]
+JUNCTION1 -down-> S4 : / choiceToS4
+JUNCTION2 -down-> S5 : [s5Guard]\n/ choiceToS5
+JUNCTION2 -down-> S6 : / choiceToS6
+S1 -down-> JUNCTION1 : E1\n/ s1ToChoice
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/broken-model-shadowentries.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/broken-model-shadowentries.puml
index 4f2152f0..3c7b66d7 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/broken-model-shadowentries.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/broken-model-shadowentries.puml
@@ -8,7 +8,7 @@ state S1
 state S2
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2
+[*] --> S1
+S1 -down-> S2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/initial-actions.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/initial-actions.puml
index 31f6506f..d0342620 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/initial-actions.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/initial-actions.puml
@@ -8,7 +8,7 @@ state S1
 state S2
 
 
-[*] -[#000000]-> S1 : / initialAction
-S1 -down[#000000]-> S2 : E1
+[*] --> S1 : / initialAction
+S1 -down-> S2 : E1
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/missingname-choice.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/missingname-choice.puml
index 4cfa8f17..302703f7 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/missingname-choice.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/missingname-choice.puml
@@ -13,10 +13,10 @@ state choice1 <<choice>>
 note left of choice1 : choice1
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> choice1 : E1
-choice1 -down[#000000]-> S2 : [s2Guard]
-choice1 -down[#000000]-> S3 : [s3Guard]
-choice1 -down[#000000]-> S4
+[*] --> S1
+S1 -down-> choice1 : E1
+choice1 -down-> S2 : [s2Guard]
+choice1 -down-> S3 : [s3Guard]
+choice1 -down-> S4
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/multijoin-forkjoin.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/multijoin-forkjoin.puml
index b0e0478a..020fe4fd 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/multijoin-forkjoin.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/multijoin-forkjoin.puml
@@ -12,12 +12,12 @@ state S2  {
   state S21
 
 
-  [*] -[#000000]-> S20
+  [*] --> S20
   state S30
   state S31
 
 
-  [*] -[#000000]-> S30
+  [*] --> S30
 }
 'S3 <<JOIN>>
 state S3 <<join>>
@@ -29,17 +29,17 @@ note left of SF : SF
 state SI
 
 
-S1 -down[#000000]-> S20
+S1 -down-> S20
 
-S1 -down[#000000]-> S30
+S1 -down-> S30
 
-[*] -[#000000]-> SI
-S20 -down[#000000]-> S21 : E2
-S30 -down[#000000]-> S31 : E3
-SI -down[#000000]-> S1 : E1
-S31 -down[#000000]-> S3
-S21 -down[#000000]-> S3
-S3 -down[#000000]-> S4 : [extendedState.variables.isEmpty()]
-S3 -down[#000000]-> SF : [!extendedState.variables.isEmpty()]
+[*] --> SI
+S20 -down-> S21 : E2
+S21 -down-> S3
+S30 -down-> S31 : E3
+S31 -down-> S3
+S3 -down-> S4 : [extendedState.variables.isEmpty()]
+S3 -down-> SF : [!extendedState.variables.isEmpty()]
+SI -down-> S1 : E1
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachine.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachine.puml
index 22022b86..ea4a70fe 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachine.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachine.puml
@@ -12,12 +12,12 @@ state S1  {
   state S12
 
 
-  [*] -[#000000]-> S11
+  [*] --> S11
 }
 
 
-[*] -[#000000]-> S1
-S11 -down[#000000]-> CHOICE
-CHOICE -down[#000000]-> S12
+[*] --> S1
+CHOICE -down-> S12
+S11 -down-> CHOICE
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachineref.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachineref.puml
index 22022b86..ea4a70fe 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachineref.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/pseudostate-in-submachineref.puml
@@ -12,12 +12,12 @@ state S1  {
   state S12
 
 
-  [*] -[#000000]-> S11
+  [*] --> S11
 }
 
 
-[*] -[#000000]-> S1
-S11 -down[#000000]-> CHOICE
-CHOICE -down[#000000]-> S12
+[*] --> S1
+CHOICE -down-> S12
+S11 -down-> CHOICE
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-actions.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-actions.puml
index 1a558021..47782d86 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-actions.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-actions.puml
@@ -11,7 +11,7 @@ S2 : /entry s2Entry
 S2 : /do extendedState.variables.put('hellos2do','hellos2dovalue')
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1\n/ e1Action
+[*] --> S1
+S1 -down-> S2 : E1\n/ e1Action
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-choice.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-choice.puml
index 67c984de..97800d2c 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-choice.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-choice.puml
@@ -13,10 +13,10 @@ state S3
 state S4
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> CHOICE : E1
-CHOICE -down[#000000]-> S4
-CHOICE -down[#000000]-> S3 : [s3Guard]
-CHOICE -down[#000000]-> S2 : [s2Guard]
+[*] --> S1
+CHOICE -down-> S2 : [s2Guard]
+CHOICE -down-> S3 : [s3Guard]
+CHOICE -down-> S4
+S1 -down-> CHOICE : E1
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-connectionpointref.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-connectionpointref.puml
index 80adcdbe..1cef76e1 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-connectionpointref.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-connectionpointref.puml
@@ -1,5 +1,5 @@
 @startuml
-note "!!! NOT WORKING !!!\n!!! Missing 'EXIT -down[#000000]-> S4' transition !!!\n It seems ConnectionPointRef is not supported by Spring Statemachine" as NOT_WORKING
+note "!!! NOT WORKING !!!\n!!! Missing 'EXIT -down-> S4' transition !!!\n It seems ConnectionPointRef is not supported by Spring Statemachine" as NOT_WORKING
 'https://plantuml.com/state-diagram
 
 'hide description area for state without description
@@ -11,7 +11,7 @@ state S2  {
   state S22
 
 
-  [*] -[#000000]-> S21
+  [*] --> S21
   state ENTRY <<entryPoint>>
   state EXIT <<exitPoint>>
 }
@@ -19,12 +19,12 @@ state S3
 state S4
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-ENTRY -down[#000000]-> S22
-S22 -down[#000000]-> EXIT : E4
-S1 -down[#000000]-> ENTRY : E3
-S2 -down[#000000]-> S3 : E2
-EXIT -down[#000000]-> S4
+[*] --> S1
+S1 -down-> S2 : E1
+ENTRY -down-> S22
+S22 -down-> EXIT : E4
+S1 -down-> ENTRY : E3
+S2 -down-> S3 : E2
+EXIT -down-> S4
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-entryexit.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-entryexit.puml
index cbdb6cbd..72827c93 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-entryexit.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-entryexit.puml
@@ -10,7 +10,7 @@ state S2  {
   state S22
 
 
-  [*] -[#000000]-> S21
+  [*] --> S21
   state ENTRY <<entryPoint>>
   state EXIT <<exitPoint>>
 }
@@ -18,12 +18,12 @@ state S3
 state S4
 
 
-[*] -[#000000]-> S1
-ENTRY -down[#000000]-> S22
-S22 -down[#000000]-> EXIT : E4
-S1 -down[#000000]-> ENTRY : E3
-EXIT -down[#000000]-> S4
-S1 -down[#000000]-> S2 : E1
-S2 -down[#000000]-> S3 : E2
+[*] --> S1
+ENTRY -down-> S22
+EXIT -down-> S4
+S1 -down-> ENTRY : E3
+S1 -down-> S2 : E1
+S22 -down-> EXIT : E4
+S2 -down-> S3 : E2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-eventdefer.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-eventdefer.puml
index a0f9187a..83516f90 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-eventdefer.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-eventdefer.puml
@@ -10,8 +10,8 @@ state S2
 state S3
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S2 -down[#000000]-> S3 : E2
+[*] --> S1
+S1 -down-> S2 : E1
+S2 -down-> S3 : E2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-end.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-end.puml
index a83a5939..ce729299 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-end.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-end.puml
@@ -11,8 +11,8 @@ state S3 <<end>>
 note left of S3 : S3
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S2 -down[#000000]-> S3 : E2
+[*] --> S1
+S1 -down-> S2 : E1
+S2 -down-> S3 : E2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end-viachoices.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end-viachoices.puml
index 62de460d..1824ab23 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end-viachoices.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end-viachoices.puml
@@ -16,10 +16,10 @@ note left of FINAL : FINAL
 state S1
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> CHOICE1
-CHOICE2 -down[#000000]-> FINAL
-CHOICE1 -down[#000000]-> FINAL
-S1 -down[#000000]-> CHOICE2
+[*] --> S1
+CHOICE1 -down-> FINAL
+CHOICE2 -down-> FINAL
+S1 -down-> CHOICE1
+S1 -down-> CHOICE2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end.puml
index 00f8ce96..250ebe68 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat-multiple-to-end.puml
@@ -13,8 +13,8 @@ note left of FINAL2 : FINAL2
 state S1
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> FINAL1
-S1 -down[#000000]-> FINAL2
+[*] --> S1
+S1 -down-> FINAL1
+S1 -down-> FINAL2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat.puml
index a2de77e7..72c0afa5 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-flat.puml
@@ -9,7 +9,7 @@ state S2
 S2 : /entry action1
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
+[*] --> S1
+S1 -down-> S2 : E1
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-forkjoin.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-forkjoin.puml
index 1a0888ab..7e869d36 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-forkjoin.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-forkjoin.puml
@@ -12,12 +12,12 @@ state S2  {
   state S21
 
 
-  [*] -[#000000]-> S20
+  [*] --> S20
   state S30
   state S31
 
 
-  [*] -[#000000]-> S30
+  [*] --> S30
 }
 'S3 <<JOIN>>
 state S3 <<join>>
@@ -28,18 +28,18 @@ note left of SF : SF
 state SI
 
 
-S1 -down[#000000]-> S20
+S1 -down-> S20
 
-S1 -down[#000000]-> S30
+S1 -down-> S30
 
-[*] -[#000000]-> SI
-S20 -down[#000000]-> S21 : E2
-S30 -down[#000000]-> S31 : E3
-SI -down[#000000]-> S1 : E1
-S31 -down[#000000]-> S3
-S21 -down[#000000]-> S3
-S3 -down[#000000]-> SF
+[*] --> SI
+S20 -down-> S21 : E2
+S21 -down-> S3
+S30 -down-> S31 : E3
+S31 -down-> S3
+S3 -down-> SF
+SI -down-> S1 : E1
 
 S1 -right[hidden]-> S2
 
-@enduml"
\ No newline at end of file
+@enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-guards.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-guards.puml
index 59446d0d..097375ba 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-guards.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-guards.puml
@@ -10,9 +10,9 @@ state S3
 state S4
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S3 : E2
-S1 -down[#000000]-> S2 : E1\n[denyGuard]
-S3 -down[#000000]-> S4 : [denyGuard]
+[*] --> S1
+S1 -down-> S2 : E1\n[denyGuard]
+S1 -down-> S3 : E2
+S3 -down-> S4 : [denyGuard]
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.puml
index d3f3f1a7..2c4fa7ae 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.puml
@@ -12,19 +12,19 @@ state S2  {
     state S212
 
 
-    [*] -[#000000]-> S211
+    [*] --> S211
   }
 
 
-  [*] -[#000000]-> S20
+  [*] --> S20
 }
 
 
-[*] -[#000000]-> S1
-S211 -down[#000000]-> S212 : E2
-S212 -down[#000000]-> S1 : E3
-S1 -down[#000000]-> S211 : E1
+[*] --> S1
+S1 -down-> S211 : E1
+S211 -down-> S212 : E2
+S212 -down-> S1 : E3
 'S1 -> SH
-S1 -down[#000000]-> S2[H*] : E4
+S1 -down-> S2[H*] : E4
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-default.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-default.puml
index b32597bc..3721154a 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-default.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-default.puml
@@ -11,17 +11,17 @@ state S2  {
   state S22
 
 
-  [*] -[#000000]-> S20
+  [*] --> S20
 }
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S20 -down[#000000]-> S21 : E2
-S2 -down[#000000]-> S1 : E3
+[*] --> S1
+S1 -down-> S2 : E1
+S20 -down-> S21 : E2
+S2 -down-> S1 : E3
 'S1 -> SH
-S1 -down[#000000]-> S2[H] : E4
+S1 -down-> S2[H] : E4
 'SH -> S22
-S2[H] -down[#000000]-> S22
+S2[H] -down-> S22
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.puml
index fc9ebe9c..8f490160 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.puml
@@ -10,15 +10,15 @@ state S2  {
   state S21
 
 
-  [*] -[#000000]-> S20
+  [*] --> S20
 }
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S20 -down[#000000]-> S21 : E2
-S2 -down[#000000]-> S1 : E3
+[*] --> S1
+S1 -down-> S2 : E1
+S20 -down-> S21 : E2
+S2 -down-> S1 : E3
 'S1 -> SH
-S1 -down[#000000]-> S2[H] : E4
+S1 -down-> S2[H] : E4
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-junction.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-junction.puml
index 6a6d5446..ba3e5c3f 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-junction.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-junction.puml
@@ -16,15 +16,15 @@ state S6
 state S7
 
 
-[*] -[#000000]-> S1
-S2 -down[#000000]-> JUNCTION : E4
-S3 -down[#000000]-> JUNCTION : E4
-S4 -down[#000000]-> JUNCTION : E4
-S1 -down[#000000]-> S4 : E3
-S1 -down[#000000]-> S3 : E2
-S1 -down[#000000]-> S2 : E1
-JUNCTION -down[#000000]-> S7
-JUNCTION -down[#000000]-> S6 : [s6Guard]
-JUNCTION -down[#000000]-> S5 : [s5Guard]
+[*] --> S1
+JUNCTION -down-> S5 : [s5Guard]
+JUNCTION -down-> S6 : [s6Guard]
+JUNCTION -down-> S7
+S1 -down-> S2 : E1
+S1 -down-> S3 : E2
+S1 -down-> S4 : E3
+S2 -down-> JUNCTION : E4
+S3 -down-> JUNCTION : E4
+S4 -down-> JUNCTION : E4
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-localtransition.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-localtransition.puml
index fb369412..03f5e8e4 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-localtransition.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-localtransition.puml
@@ -10,19 +10,19 @@ state S2  {
   state S22
 
 
-  [*] -[#000000]-> S21
+  [*] --> S21
 }
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S22 -up[#000000]-> S2 : E33
-S21 -up[#000000]-> S2 : E32
-S22 -up[#000000]-> S2 : E23
-S21 -up[#000000]-> S2 : E22
-S2 -down[#000000]-> S21 : E20
-S2 -down[#000000]-> S22 : E21
-S2 -down[#000000]-> S21 : E30
-S2 -down[#000000]-> S22 : E31
+[*] --> S1
+S1 -down-> S2 : E1
+S21 -up-> S2 : E22
+S21 -up-> S2 : E32
+S22 -up-> S2 : E23
+S22 -up-> S2 : E33
+S2 -down-> S21 : E20
+S2 -down-> S21 : E30
+S2 -down-> S22 : E21
+S2 -down-> S22 : E31
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-root-regions.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-root-regions.puml
index 0013878e..e86b3f44 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-root-regions.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-root-regions.puml
@@ -1,5 +1,5 @@
 @startuml
-note "!!! NOT WORKING !!!\n!!! duplicated transition: 'S3 -down[#000000]-> S4 : E2' !!!\n??? Error in Spring Statemachine UML parser ???\n see [[https://github.com/spring-projects/spring-statemachine/issues/1141]] " as NOT_WORKING
+note "!!! NOT WORKING !!!\n!!! duplicated transition: 'S3 -down-> S4 : E2' !!!\n??? Error in Spring Statemachine UML parser ???\n see [[https://github.com/spring-projects/spring-statemachine/issues/1141]] " as NOT_WORKING
 'https://plantuml.com/state-diagram
 
 'hide description area for state without description
@@ -10,17 +10,17 @@ state null  {
   state S2
 
 
-  [*] -[#000000]-> S1
-  S1 -down[#000000]-> S2 : E1
+  [*] --> S1
+  S1 -down-> S2 : E1
   state S3
   state S4
 
 
-  [*] -[#000000]-> S3
-  S3 -down[#000000]-> S4 : E2
+  [*] --> S3
+  S3 -down-> S4 : E2
 }
 
 
-[*] -[#000000]-> null
+[*] --> null
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-spels.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-spels.puml
index edd3cef7..cd81a9c3 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-spels.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-spels.puml
@@ -10,7 +10,7 @@ state S2
 S2 : /entry extendedState.variables.put('myvar1','myvalue1')
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1\n[messageHeaders.get('foo')=='bar']
+[*] --> S1
+S1 -down-> S2 : E1\n[messageHeaders.get('foo')=='bar']
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-state-actions.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-state-actions.puml
index e5430281..30e3740f 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-state-actions.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-state-actions.puml
@@ -11,8 +11,8 @@ S2 : /do e2Action
 state S3
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S2 -down[#000000]-> S3 : E2
+[*] --> S1
+S1 -down-> S2 : E1
+S2 -down-> S3 : E2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachine.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachine.puml
index 4c99b381..f9ea0191 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachine.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachine.puml
@@ -9,13 +9,13 @@ state S1  {
   state S12
 
 
-  [*] -[#000000]-> S11
+  [*] --> S11
 }
 state S2
 
 
-[*] -[#000000]-> S1
-S11 -down[#000000]-> S12 : E1
-S1 -down[#000000]-> S2 : E2
+[*] --> S1
+S11 -down-> S12 : E1
+S1 -down-> S2 : E2
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.puml
index fbb1320e..a1225b96 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.puml
@@ -12,19 +12,19 @@ state S2  {
     state S31
 
 
-    [*] -[#000000]-> S30
+    [*] --> S30
   }
 
 
-  [*] -[#000000]-> S20
+  [*] --> S20
 }
 state S3
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S20 -down[#000000]-> S21 : E2
-S30 -down[#000000]-> S31 : E3
-S2 -down[#000000]-> S3 : E4
+[*] --> S1
+S1 -down-> S2 : E1
+S20 -down-> S21 : E2
+S30 -down-> S31 : E3
+S2 -down-> S3 : E4
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.puml
index 3a89945a..cf9fdf8a 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.puml
@@ -13,10 +13,10 @@ state S5
 S5 : /entry s5Entry
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S4 : E2
-S1 -down[#000000]-> S2 : E1
-S2 -down[#000000]-> S3 : every 1 second
-S4 -down[#000000]-> S5 : after 1 second
+[*] --> S1
+S1 -down-> S2 : E1
+S1 -down-> S4 : E2
+S2 -down-> S3 : every 1 second
+S4 -down-> S5 : after 1 second
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-transitiontypes.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-transitiontypes.puml
index ea2dad72..9a994a1c 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-transitiontypes.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-transitiontypes.puml
@@ -8,9 +8,9 @@ state S1
 state S2
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1
-S2 -down[#000000]-> S1 : E2
-S2 -down[#000000]-> S2 : E3
+[*] --> S1
+S1 -down-> S2 : E1
+S2 -down-> S1 : E2
+S2 -down-> S2 : E3
 
 @enduml
\ No newline at end of file
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/transition-effect-spel.puml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/transition-effect-spel.puml
index 13e6d9c7..3dd9e9d1 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/transition-effect-spel.puml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/transition-effect-spel.puml
@@ -8,7 +8,7 @@ state S1
 state S2
 
 
-[*] -[#000000]-> S1
-S1 -down[#000000]-> S2 : E1\n/ extendedState.variables.put('key','value')
+[*] --> S1
+S1 -down-> S2 : E1\n/ extendedState.variables.put('key','value')
 
 @enduml
\ No newline at end of file