diff --git a/src/Textamina.Markdig/Diagrams/Parsers.cd b/src/Textamina.Markdig/Diagrams/Parsers.cd
index be790bff..c8b6de55 100644
--- a/src/Textamina.Markdig/Diagrams/Parsers.cd
+++ b/src/Textamina.Markdig/Diagrams/Parsers.cd
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ClassDiagram MajorVersion="1" MinorVersion="1">
   <Comment CommentText="Block Parsers Extensions">
-    <Position X="4.427" Y="3.917" Height="0.406" Width="1.7" />
+    <Position X="4.465" Y="5.947" Height="0.406" Width="1.7" />
   </Comment>
   <Comment CommentText="Inline Parsers Extensions">
     <Position X="10.448" Y="3.885" Height="0.406" Width="1.7" />
@@ -15,14 +15,14 @@
     <Lollipop Position="0.2" />
   </Class>
   <Class Name="Textamina.Markdig.Extensions.Footnotes.FootnoteParser" Collapsed="true">
-    <Position X="4.5" Y="2" Width="1.5" />
+    <Position X="4.25" Y="2" Width="2" />
     <TypeIdentifier>
       <HashCode>ACAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAACAAACAAAA=</HashCode>
       <FileName>Extensions\Footnotes\FootnoteParser.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Extensions.Tables.GridTableParser" Collapsed="true">
-    <Position X="4.5" Y="3" Width="1.5" />
+    <Position X="4.25" Y="3" Width="2" />
     <TypeIdentifier>
       <HashCode>ACAAAAABAAAAAAAAAAAABAAAAAAAAAAAAACAAAAAAAA=</HashCode>
       <FileName>Extensions\Tables\GridTableParser.cs</FileName>
@@ -171,6 +171,20 @@
     </TypeIdentifier>
     <Lollipop Position="0.2" />
   </Class>
+  <Class Name="Textamina.Markdig.Extensions.CustomContainers.CustomContainerParser" Collapsed="true">
+    <Position X="4.25" Y="4" Width="2" />
+    <TypeIdentifier>
+      <HashCode>AAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
+      <FileName>Extensions\CustomContainers\CustomContainerParser.cs</FileName>
+    </TypeIdentifier>
+  </Class>
+  <Class Name="Textamina.Markdig.Extensions.DefinitionLists.DefinitionListParser" Collapsed="true">
+    <Position X="4.25" Y="5" Width="2" />
+    <TypeIdentifier>
+      <HashCode>ACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAAAAAAA=</HashCode>
+      <FileName>Extensions\DefinitionLists\DefinitionListParser.cs</FileName>
+    </TypeIdentifier>
+  </Class>
   <Interface Name="Textamina.Markdig.Parsers.IMarkdownParser&lt;TParserState&gt;" Collapsed="true">
     <Position X="12.5" Y="0.5" Width="2.25" />
     <TypeIdentifier>
diff --git a/src/Textamina.Markdig/Diagrams/Syntax.cd b/src/Textamina.Markdig/Diagrams/Syntax.cd
index d046ccbe..7dd73da1 100644
--- a/src/Textamina.Markdig/Diagrams/Syntax.cd
+++ b/src/Textamina.Markdig/Diagrams/Syntax.cd
@@ -1,28 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ClassDiagram MajorVersion="1" MinorVersion="1">
   <Class Name="Textamina.Markdig.Syntax.MarkdownObject" Collapsed="true">
-    <Position X="2.75" Y="0.75" Width="1.5" />
+    <Position X="6" Y="0.75" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AAAAAAABEQAAAAAAAAAAAAAAAAAQAAAAAAAAAIAAAAA=</HashCode>
       <FileName>Syntax\MarkdownObject.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.Block" Collapsed="true">
-    <Position X="1.75" Y="2" Width="1.5" />
+    <Position X="5" Y="2" Width="1.5" />
     <TypeIdentifier>
       <HashCode>IAAgAAAAAAAAUAAAEABAQAAAAAgAAAAAAAAAAAAJAAg=</HashCode>
       <FileName>Syntax\Block.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.Inlines.Inline" Collapsed="true">
-    <Position X="4" Y="2" Width="1.5" />
+    <Position X="7.25" Y="2" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AAAgAAAgAAIAAIEAAABATAAAAAgAQEAAAAAACAAAABA=</HashCode>
       <FileName>Syntax\Inlines\Inline.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.BlankLineBlock" Collapsed="true">
-    <Position X="0.5" Y="3.5" Width="1.5" />
+    <Position X="13.75" Y="5" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAA=</HashCode>
       <FileName>Syntax\BlankLineBlock.cs</FileName>
@@ -120,32 +120,67 @@
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.HtmlBlock" Collapsed="true">
-    <Position X="11.75" Y="5" Width="1.5" />
+    <Position X="9.5" Y="6" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAA=</HashCode>
       <FileName>Syntax\HtmlBlock.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.LinkReferenceDefinition" Collapsed="true">
-    <Position X="14" Y="5" Width="1.5" />
+    <Position X="9.5" Y="7" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AIAAACAAEAAAAEAAAAAAAAAAAAAAAAAACAAAAAAAAAA=</HashCode>
       <FileName>Syntax\LinkReferenceDefinition.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.ParagraphBlock" Collapsed="true">
-    <Position X="16.25" Y="5" Width="1.5" />
+    <Position X="9.5" Y="8" Width="1.5" />
     <TypeIdentifier>
-      <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
+      <HashCode>AAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAA=</HashCode>
       <FileName>Syntax\ParagraphBlock.cs</FileName>
     </TypeIdentifier>
   </Class>
   <Class Name="Textamina.Markdig.Syntax.ThematicBreakBlock" Collapsed="true">
-    <Position X="18.5" Y="5" Width="1.5" />
+    <Position X="9.5" Y="9" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
       <FileName>Syntax\ThematicBreakBlock.cs</FileName>
     </TypeIdentifier>
   </Class>
+  <Class Name="Textamina.Markdig.Extensions.DefinitionLists.DefinitionList" Collapsed="true">
+    <Position X="1.25" Y="10" Width="1.5" />
+    <TypeIdentifier>
+      <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
+      <FileName>Extensions\DefinitionLists\DefinitionList.cs</FileName>
+    </TypeIdentifier>
+  </Class>
+  <Class Name="Textamina.Markdig.Extensions.DefinitionLists.DefinitionItem" Collapsed="true">
+    <Position X="1.25" Y="11" Width="1.5" />
+    <TypeIdentifier>
+      <HashCode>AAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
+      <FileName>Extensions\DefinitionLists\DefinitionItem.cs</FileName>
+    </TypeIdentifier>
+  </Class>
+  <Class Name="Textamina.Markdig.Extensions.DefinitionLists.DefinitionTerm" Collapsed="true">
+    <Position X="11.75" Y="5" Width="1.5" />
+    <TypeIdentifier>
+      <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
+      <FileName>Extensions\DefinitionLists\DefinitionTerm.cs</FileName>
+    </TypeIdentifier>
+  </Class>
+  <Class Name="Textamina.Markdig.Extensions.CustomContainers.CustomContainer" Collapsed="true">
+    <Position X="7.25" Y="7" Width="1.5" />
+    <TypeIdentifier>
+      <HashCode>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
+      <FileName>Extensions\CustomContainers\CustomContainer.cs</FileName>
+    </TypeIdentifier>
+  </Class>
+  <Class Name="Textamina.Markdig.Syntax.FencedCodeBlock" Collapsed="true">
+    <Position X="7.25" Y="6" Width="1.5" />
+    <TypeIdentifier>
+      <HashCode>AAAAAAAACABAAAAAAAAAAABAAAAAAAAQIAAAAAAAAAA=</HashCode>
+      <FileName>Syntax\FencedCodeBlock.cs</FileName>
+    </TypeIdentifier>
+  </Class>
   <Font Name="Segoe UI" Size="9" />
 </ClassDiagram>
\ No newline at end of file