diff --git a/lib/Elemente/Angetriebene_Kurve.py b/lib/Elemente/Angetriebene_Kurve.py
index 6e41cca..99a32c0 100644
--- a/lib/Elemente/Angetriebene_Kurve.py
+++ b/lib/Elemente/Angetriebene_Kurve.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from pydantic import BaseModel, Field, field_validator
 
 
diff --git a/lib/Elemente/Bt_element.py b/lib/Elemente/Bt_element.py
index 57ae397..9b00636 100644
--- a/lib/Elemente/Bt_element.py
+++ b/lib/Elemente/Bt_element.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from pydantic import BaseModel, Field, field_validator
 from typing import Optional
 
diff --git a/lib/Elemente/Eckrad.py b/lib/Elemente/Eckrad.py
index 78aa453..419842a 100644
--- a/lib/Elemente/Eckrad.py
+++ b/lib/Elemente/Eckrad.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from pydantic import BaseModel, Field, field_validator
 from typing import Optional
 import block_methoden
diff --git a/lib/Elemente/Gefaellestrecke.py b/lib/Elemente/Gefaellestrecke.py
index 9b38c00..37cac1c 100644
--- a/lib/Elemente/Gefaellestrecke.py
+++ b/lib/Elemente/Gefaellestrecke.py
@@ -1,4 +1,4 @@
-
+# -*- coding: utf-8 -*-
 from pydantic import BaseModel, Field, field_validator
 import re
 import plant2dxf
diff --git a/lib/Elemente/Kreisel.py b/lib/Elemente/Kreisel.py
index c228013..d2662d5 100644
--- a/lib/Elemente/Kreisel.py
+++ b/lib/Elemente/Kreisel.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from ezdxf.entities import Line
 import math
 from pydantic import BaseModel, Field, field_validator
diff --git a/lib/Elemente/Omniflo.py b/lib/Elemente/Omniflo.py
index 262d184..70b2514 100644
--- a/lib/Elemente/Omniflo.py
+++ b/lib/Elemente/Omniflo.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from ezdxf.entities import Line
 import math
 from pydantic import BaseModel, Field, field_validator
diff --git a/lib/Elemente/VarioFoerderer.py b/lib/Elemente/VarioFoerderer.py
index 041aaa6..c4ae1e2 100644
--- a/lib/Elemente/VarioFoerderer.py
+++ b/lib/Elemente/VarioFoerderer.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from ezdxf.entities import Line
 import math
 from pydantic import BaseModel, Field, field_validator
diff --git a/lib/arbeiten_mit_csv.py b/lib/arbeiten_mit_csv.py
index 3765bb0..9930c7f 100644
--- a/lib/arbeiten_mit_csv.py
+++ b/lib/arbeiten_mit_csv.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import os
 import sys
 import csv
diff --git a/lib/as_es_methoden.py b/lib/as_es_methoden.py
index 85433fb..04aa388 100644
--- a/lib/as_es_methoden.py
+++ b/lib/as_es_methoden.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from ezdxf.entities import Line
 import math
 import plant2dxf
diff --git a/lib/block_methoden.py b/lib/block_methoden.py
index 67f0799..ca22b62 100644
--- a/lib/block_methoden.py
+++ b/lib/block_methoden.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import math
 import plant2dxf
 from ezdxf import units
diff --git a/lib/dxf2lib.py b/lib/dxf2lib.py
index 8b107f6..940fe1f 100644
--- a/lib/dxf2lib.py
+++ b/lib/dxf2lib.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import os
 import ezdxf
 from ezdxf.math import Matrix44, Vec3, BoundingBox, Vec2
diff --git a/lib/handler_context.py b/lib/handler_context.py
index 3f6aa92..e050dbc 100644
--- a/lib/handler_context.py
+++ b/lib/handler_context.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 Handler Context für DXF-Elementgenerierung.
 Vereinfacht die Aufrufe der handle-Funktionen und bietet Debug-Unterstützung.
diff --git a/lib/inspect_blocks.py b/lib/inspect_blocks.py
index a83f426..07e68a9 100644
--- a/lib/inspect_blocks.py
+++ b/lib/inspect_blocks.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import ezdxf
 from pathlib import Path
 
diff --git a/lib/plant2dxf.py b/lib/plant2dxf.py
index 5014bfd..072188e 100644
--- a/lib/plant2dxf.py
+++ b/lib/plant2dxf.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 placeblocks.py
 Erzeugt DXF-Elemente aus einer RuleDesigner-CSV.
diff --git a/lib/test_files.py b/lib/test_files.py
index 15c1128..da90d1a 100644
--- a/lib/test_files.py
+++ b/lib/test_files.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import unittest
 from pathlib import Path
 import difflib
diff --git a/lib/utils.py b/lib/utils.py
index 2f94004..976d7ed 100644
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import os
 import sys
 import logging