[fix:] fixed creation of empty lines

Tasks/AddressCreation.cs

@@ -97,14 +97,14 @@ public static class AddressCreator
                 }
 
             CountryFound:
-            string_address = "\n**" + countryToShow + "**"; // Needs to be bold
+            string_address = "**" + countryToShow + "**"; // Needs to be bold
             address_line_count++;
         }
 
         // Alternative A: pplz valid and city existing
         if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.pplz, address.land))
         {
-            string_address = address.pplz + " " + address.ort + string_address;
+            string_address = address.pplz + " " + address.ort + "\n" + string_address;
             address_line_count++;
             if (!string.IsNullOrWhiteSpace(address.postfach))
             {
@@ -122,7 +122,7 @@ public static class AddressCreator
 
             if (!string.IsNullOrWhiteSpace(nameline))
             {
-                string_address = nameline + string_address;
+                string_address = nameline + "\n" + string_address;
                 address_line_count++;
             }
 
@@ -168,7 +168,7 @@ public static class AddressCreator
 
             if (!string.IsNullOrWhiteSpace(nameline))
             {
-                string_address = nameline + string_address;
+                string_address = nameline + "\n" + string_address;
                 address_line_count++;
             }
 
@@ -206,16 +206,14 @@ public static class AddressCreator
                        new[] { anredezus, titel, vorname, adel, name }
                            .Where(s => !string.IsNullOrWhiteSpace(s))
                    )
-                   + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})")
+                   + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})");
-                   + "\n";
 
         // else 
         return string.Join(" ",
                    new[] { anrede, titel, vorname, adel, name }
                        .Where(s => !string.IsNullOrWhiteSpace(s))
                )
-               + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})")
+               + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})");
-               + "\n";
     }
 
     /// <summary>

Tasks/PdfBuilder.cs

@@ -225,6 +225,7 @@ public class PdfBuilder
 
     private void DrawLineWithMarkdown(XGraphics gfx, string line, double x, double y, double maxWidth)
     {
+        if (string.IsNullOrWhiteSpace(line)) return;
         var currentX = x;
         var i = 0;
 
@@ -318,7 +319,7 @@ public class PdfBuilder
         if (string.IsNullOrEmpty(text))
             return text;
 
-        for (int len = text.Length; len > 0; len--)
+        for (var len = text.Length; len > 0; len--)
         {
             var truncated = text.Substring(0, len);
             var measured = gfx.MeasureString(truncated, font);