diff --git a/WebDocumentation/GenerateWebDoc.nb b/WebDocumentation/GenerateWebDoc.nb
index f97f809..aa4654a 100644
--- a/WebDocumentation/GenerateWebDoc.nb
+++ b/WebDocumentation/GenerateWebDoc.nb
@@ -7,7 +7,7 @@ Cell["Evaluate and prepare documentation notebook", \
 Cell[BoxData[
  RowBox[{"SetDirectory", "@", 
   RowBox[{"NotebookDirectory", "[", "]"}]}]], "Input",
- CellLabel->"In[1]:=",ExpressionUUID->"9c94864c-0cf3-4be2-a8dd-295ef7d50427"],
+ CellLabel->"In[2]:=",ExpressionUUID->"9c94864c-0cf3-4be2-a8dd-295ef7d50427"],
 
 Cell[BoxData[
  RowBox[{"nb", "=", 
@@ -16,7 +16,7 @@ Cell[BoxData[
    "AbsoluteFileName", "[", 
     "\"\<../IGraphM/Documentation/English/Tutorials/IGDocumentation.nb\>\"", 
     "]"}]}]}]], "Input",
- CellLabel->"In[2]:=",ExpressionUUID->"150df776-303c-4fe5-be33-74abbc45301e"],
+ CellLabel->"In[3]:=",ExpressionUUID->"150df776-303c-4fe5-be33-74abbc45301e"],
 
 Cell[BoxData[
  RowBox[{
@@ -25,7 +25,7 @@ Cell[BoxData[
     RowBox[{"nb", ",", "WindowSize"}], "]"}], "=", 
    RowBox[{"{", 
     RowBox[{"938", ",", "800"}], "}"}]}], ";"}]], "Input",
- CellLabel->"In[3]:=",ExpressionUUID->"b0963778-2162-484c-8b43-a442d4d68967"],
+ CellLabel->"In[4]:=",ExpressionUUID->"b0963778-2162-484c-8b43-a442d4d68967"],
 
 Cell[BoxData[
  RowBox[{
@@ -57,7 +57,7 @@ Cell[BoxData[
         RowBox[{"{", "}"}]}], "]"}]}], ";", "\[IndentingNewLine]", 
      RowBox[{"Protect", "[", "Subgraph", "]"}], ";"}]}], 
    "\[IndentingNewLine]", "]"}]}]], "Input",
- CellLabel->"In[4]:=",ExpressionUUID->"cb088b3e-e748-47b8-a11a-5a27e716df31"],
+ CellLabel->"In[5]:=",ExpressionUUID->"cb088b3e-e748-47b8-a11a-5a27e716df31"],
 
 Cell[BoxData[
  RowBox[{
@@ -66,14 +66,14 @@ Cell[BoxData[
     RowBox[{"nb", ",", 
      RowBox[{"InsertResults", "\[Rule]", "True"}]}], "]"}], ";"}], "//", 
   "AbsoluteTiming"}]], "Input",
- CellLabel->"In[5]:=",ExpressionUUID->"433eabf6-6290-4f0d-a9f7-f6edec62f633"],
+ CellLabel->"In[6]:=",ExpressionUUID->"433eabf6-6290-4f0d-a9f7-f6edec62f633"],
 
 Cell[BoxData[
  RowBox[{"NotebookDelete", "@", 
   RowBox[{"Cells", "[", 
    RowBox[{"nb", ",", 
     RowBox[{"CellTags", "\[Rule]", "\"\<DeleteCell\>\""}]}], "]"}]}]], "Input",
- CellLabel->"In[6]:=",ExpressionUUID->"2f6871c4-3065-447a-b332-a331a981b79b"]
+ CellLabel->"In[7]:=",ExpressionUUID->"2f6871c4-3065-447a-b332-a331a981b79b"]
 }, Open  ]],
 
 Cell[CellGroupData[{
@@ -98,7 +98,7 @@ Cell[BoxData[
       RowBox[{"str", ",", "\"\<\\n\>\""}], "]"}]}], ",", 
     "\[IndentingNewLine]", "\"\<\\n\>\""}], "\[IndentingNewLine]", 
    "]"}]}]], "Input",
- CellLabel->"In[7]:=",ExpressionUUID->"46fb37b2-93ce-4e0d-aed0-e26443e00042"]
+ CellLabel->"In[8]:=",ExpressionUUID->"46fb37b2-93ce-4e0d-aed0-e26443e00042"]
 }, Open  ]],
 
 Cell[CellGroupData[{
@@ -122,7 +122,7 @@ Cell[BoxData[{
  RowBox[{
   RowBox[{"$ImageResolution", "=", 
    RowBox[{"2", "*", "72"}]}], ";"}]}], "Input",
- CellLabel->"In[8]:=",ExpressionUUID->"e930c2e5-1774-40f8-b50f-cfb9a085b547"],
+ CellLabel->"In[9]:=",ExpressionUUID->"e930c2e5-1774-40f8-b50f-cfb9a085b547"],
 
 Cell[BoxData[{
  RowBox[{"Get", "[", "\"\<M2MD`\>\"", "]"}], "\[IndentingNewLine]", 
@@ -131,7 +131,7 @@ Cell[BoxData[{
    RowBox[{"StyleBox", "[", 
     RowBox[{"code_", ",", "\"\<Program\>\""}], "]"}], "]"}], ":=", 
   RowBox[{"\"\<`\>\"", "<>", "code", "<>", "\"\<`\>\""}]}]}], "Input",
- CellLabel->"In[10]:=",ExpressionUUID->"25705a75-8962-4535-bb6e-6cd01373eb53"],
+ CellLabel->"In[11]:=",ExpressionUUID->"25705a75-8962-4535-bb6e-6cd01373eb53"],
 
 Cell[BoxData[
  RowBox[{"DeleteDirectory", "[", 
@@ -142,7 +142,7 @@ Cell[BoxData[
       RowBox[{"NotebookDirectory", "[", "]"}], ",", "\"\<img\>\""}], "}"}], 
     "]"}], ",", 
    RowBox[{"DeleteContents", "\[Rule]", "True"}]}], "]"}]], "Input",
- CellLabel->"In[12]:=",ExpressionUUID->"57c715b6-e0ad-4b51-bdf9-cbbcc2c1ca8f"],
+ CellLabel->"In[13]:=",ExpressionUUID->"57c715b6-e0ad-4b51-bdf9-cbbcc2c1ca8f"],
 
 Cell[BoxData[
  RowBox[{
@@ -191,7 +191,7 @@ Cell[BoxData[
           "\[IndentingNewLine]", "]"}]}]}]}], "\[IndentingNewLine]", 
       "|>"}]}]}], "\[IndentingNewLine]", "]"}], "//", 
   "AbsoluteTiming"}]], "Input",
- CellLabel->"In[13]:=",ExpressionUUID->"7590c8c8-488d-4306-a379-b7411b5a7fe9"],
+ CellLabel->"In[14]:=",ExpressionUUID->"7590c8c8-488d-4306-a379-b7411b5a7fe9"],
 
 Cell[BoxData[{
  RowBox[{
@@ -200,7 +200,7 @@ Cell[BoxData[{
    "footer", "=", 
     "\"\<\n\n<br>\n\n----\n\n<div style='text-align: center; color: #999; \
 margin: 15px 0; font-size: 0.85em;'>IGraph/M Documentation \[Copyright] 2016\
-\[Dash]2020 Szabolcs Horv\[AAcute]t</div>\n\>\""}], ";"}], 
+\[Dash]2022 Szabolcs Horv\[AAcute]t</div>\n\>\""}], ";"}], 
   "\[IndentingNewLine]", "\[IndentingNewLine]", 
   RowBox[{"(*", " ", 
    RowBox[{
@@ -230,11 +230,11 @@ margin: 15px 0; font-size: 0.85em;'>IGraph/M Documentation \[Copyright] 2016\
       RowBox[{"(*", " ", 
        RowBox[{"exclude", " ", "capital", " ", "final", " ", "sigma"}], " ", 
        "*)"}], "\[IndentingNewLine]", "]"}]}]}], ";"}], "\[IndentingNewLine]",
-   "\n", 
+   "\[IndentingNewLine]", 
   RowBox[{"(*", " ", 
    RowBox[{
    "replace", " ", "special", " ", "named", " ", "characters", " ", "and", 
-    " ", "append", " ", "footer"}], " ", "*)"}]}], "\[IndentingNewLine]", 
+    " ", "append", " ", "footer"}], " ", "*)"}]}], "\n", 
  RowBox[{"Export", "[", "\[IndentingNewLine]", 
   RowBox[{"\"\<igraphm.md\>\"", ",", "\[IndentingNewLine]", 
    RowBox[{
@@ -324,8 +324,9 @@ margin: 15px 0; font-size: 0.85em;'>IGraph/M Documentation \[Copyright] 2016\
      "]"}], "<>", "footer"}], ",", "\[IndentingNewLine]", "\"\<Text\>\"", ",",
     "\[IndentingNewLine]", 
    RowBox[{"CharacterEncoding", "\[Rule]", "\"\<UTF-8\>\""}]}], 
-  "\[IndentingNewLine]", 
-  "]"}]}], "Input",ExpressionUUID->"89ca4a66-57fa-4d49-889b-ee7ba44b1a7d"]
+  "\[IndentingNewLine]", "]"}]}], "Input",
+ CellLabel->
+  "In[15]:=",ExpressionUUID->"89ca4a66-57fa-4d49-889b-ee7ba44b1a7d"]
 }, Open  ]]
 }, Open  ]],
 
@@ -337,7 +338,7 @@ Cell["Create syntax highlighting file for pandoc", \
 Cell[BoxData[
  RowBox[{
   RowBox[{"Needs", "[", "\"\<IGraphM`\>\"", "]"}], ";"}]], "Input",
- CellLabel->"In[17]:=",ExpressionUUID->"d204c740-3273-4eab-be4d-bb7e014d5940"],
+ CellLabel->"In[18]:=",ExpressionUUID->"d204c740-3273-4eab-be4d-bb7e014d5940"],
 
 Cell[BoxData[{
  RowBox[{
@@ -352,7 +353,7 @@ Cell[BoxData[{
        RowBox[{
        "\"\<%%\>\"", ",", "\"\<%%\>\"", ",", "\"\<<%\>\"", ",", 
         "\"\<%>\>\""}], "}"}]}]}], "]"}]}], ";"}]}], "Input",
- CellLabel->"In[18]:=",ExpressionUUID->"91d76193-2d1f-457b-9913-318b8dc0e526"],
+ CellLabel->"In[19]:=",ExpressionUUID->"91d76193-2d1f-457b-9913-318b8dc0e526"],
 
 Cell[BoxData[
  RowBox[{"Export", "[", "\[IndentingNewLine]", 
@@ -371,7 +372,7 @@ Cell[BoxData[
         "\"\<\\n\>\""}], "]"}]}], "|>"}], "\[IndentingNewLine]", "]"}], ",", 
    "\[IndentingNewLine]", "\"\<String\>\""}], "\[IndentingNewLine]", 
   "]"}]], "Input",
- CellLabel->"In[20]:=",ExpressionUUID->"2b13b2c6-3fdc-4b61-a162-1cda541ee93d"],
+ CellLabel->"In[21]:=",ExpressionUUID->"2b13b2c6-3fdc-4b61-a162-1cda541ee93d"],
 
 Cell[BoxData[{
  RowBox[{
@@ -386,7 +387,7 @@ Cell[BoxData[{
        RowBox[{
        "\"\<%%\>\"", ",", "\"\<%%\>\"", ",", "\"\<<%\>\"", ",", 
         "\"\<%>\>\""}], "}"}]}]}], "]"}]}], ";"}]}], "Input",
- CellLabel->"In[21]:=",ExpressionUUID->"e9faed20-ac49-49c1-8b60-d0691556bf63"],
+ CellLabel->"In[22]:=",ExpressionUUID->"e9faed20-ac49-49c1-8b60-d0691556bf63"],
 
 Cell[BoxData[
  RowBox[{"Export", "[", "\[IndentingNewLine]", 
@@ -398,7 +399,7 @@ Cell[BoxData[
      "|>"}], "\[IndentingNewLine]", "]"}], ",", "\[IndentingNewLine]", 
    "\"\<String\>\""}], "\[IndentingNewLine]", "]"}]], "Input",
  CellLabel->
-  "In[23]:=",ExpressionUUID->"52ff5760-9d46-4b7a-8951-f76da9fefd19"]
+  "In[24]:=",ExpressionUUID->"52ff5760-9d46-4b7a-8951-f76da9fefd19"]
 }, Open  ]],
 
 Cell[CellGroupData[{
@@ -423,18 +424,18 @@ Cell[BoxData[
        RowBox[{"Environment", "[", "\"\<PATH\>\"", "]"}], "<>", 
        "\"\<:/opt/local/bin\>\""}]}], "]"}]}], "\[IndentingNewLine]", "]"}], 
   ";"}]], "Input",
- CellLabel->"In[24]:=",ExpressionUUID->"c573f3bc-09a0-4ba9-a664-cf9cdb71f9d5"],
+ CellLabel->"In[25]:=",ExpressionUUID->"c573f3bc-09a0-4ba9-a664-cf9cdb71f9d5"],
 
 Cell["Optimize images.", \
 "Text",ExpressionUUID->"6b05b7cd-c6ba-439f-8165-c9bc4d10b279"],
 
 Cell[BoxData[
  RowBox[{"Run", "[", "\"\<./quantimg.sh\>\"", "]"}]], "Input",
- CellLabel->"In[25]:=",ExpressionUUID->"b2cbf48b-0147-4b83-aa68-2603807094bf"],
+ CellLabel->"In[26]:=",ExpressionUUID->"b2cbf48b-0147-4b83-aa68-2603807094bf"],
 
 Cell[BoxData[
  RowBox[{"Run", "[", "\"\<./optimg.sh\>\"", "]"}]], "Input",
- CellLabel->"In[26]:=",ExpressionUUID->"fe0c1c5e-a7df-4e51-8a71-9cc9e56fde43"],
+ CellLabel->"In[27]:=",ExpressionUUID->"fe0c1c5e-a7df-4e51-8a71-9cc9e56fde43"],
 
 Cell["\<\
 Convert Markdown to HTML with Pandoc. Pandoc 2.8 or later is required.\
@@ -442,14 +443,14 @@ Convert Markdown to HTML with Pandoc. Pandoc 2.8 or later is required.\
 
 Cell[BoxData[
  RowBox[{"Run", "[", "\"\<./gendoc.sh\>\"", "]"}]], "Input",
- CellLabel->"In[27]:=",ExpressionUUID->"17a86769-10cc-48d3-9677-5acd0f70e385"],
+ CellLabel->"In[28]:=",ExpressionUUID->"17a86769-10cc-48d3-9677-5acd0f70e385"],
 
 Cell["View page.", \
 "Text",ExpressionUUID->"7e1fca15-046e-4609-9ea5-d9f1687ab65a"],
 
 Cell[BoxData[
  RowBox[{"SystemOpen", "[", "\"\<index.html\>\"", "]"}]], "Input",
- CellLabel->"In[28]:=",ExpressionUUID->"8778a7fd-01a2-4b66-95e1-127490f94aaf"],
+ CellLabel->"In[29]:=",ExpressionUUID->"8778a7fd-01a2-4b66-95e1-127490f94aaf"],
 
 Cell["Copy files into place.", \
 "Text",ExpressionUUID->"21fd180d-c22c-4a1a-bd9f-366a371d77e5"],
@@ -463,7 +464,7 @@ Cell[BoxData[{
    RowBox[{"DeleteContents", "\[Rule]", "True"}]}], 
   "]"}], "\[IndentingNewLine]", 
  RowBox[{"CreateDirectory", "[", "\"\<IGDocumentation\>\"", "]"}]}], "Input",
- CellLabel->"In[29]:=",ExpressionUUID->"a9f585b3-8e8e-476d-945e-c3fcb595faec"],
+ CellLabel->"In[30]:=",ExpressionUUID->"a9f585b3-8e8e-476d-945e-c3fcb595faec"],
 
 Cell[BoxData[{
  RowBox[{"CopyDirectory", "[", 
@@ -475,14 +476,14 @@ Cell[BoxData[{
   RowBox[{"\"\<igmdoc.css\>\"", ",", "\"\<IGDocumentation/igmdoc.css\>\""}], 
   "]"}]}], "Input",
  CellLabel->
-  "In[32]:=",ExpressionUUID->"011edaf9-ebfa-48e1-91d0-889196cb2ad7"]
+  "In[33]:=",ExpressionUUID->"011edaf9-ebfa-48e1-91d0-889196cb2ad7"]
 }, Open  ]]
 },
 WindowSize->{948, 847},
 WindowMargins->{{134, Automatic}, {-3, Automatic}},
 PrivateNotebookOptions->{"FileOutlineCache"->False},
 TrackCellChangeTimes->False,
-FrontEndVersion->"12.1 for Mac OS X x86 (64-bit) (June 19, 2020)",
+FrontEndVersion->"13.1 for Mac OS X x86 (64-bit) (June 16, 2022)",
 StyleDefinitions->"Default.nb",
 ExpressionUUID->"7fe29730-3b01-4e49-bc76-1b51ab284617"
 ]