Bump to 0.13.4

Nomnoml support

.editorconfig

@@ -0,0 +1,38 @@
+# EditorConfig is awesome:http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# All Files
+[*]
+charset = utf-8
+end_of_line = crlf
+indent_style = space
+indent_size = 4
+insert_final_newline = false
+trim_trailing_whitespace = true
+
+# Solution Files
+[*.sln]
+indent_style = tab
+
+# XML Project Files
+[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]
+indent_size = 2
+
+# Configuration Files
+[*.{json,xml,yml,config,props,targets,nuspec,resx,ruleset}]
+indent_size = 2
+
+# Markdown Files
+[*.md]
+trim_trailing_whitespace = false
+
+# Web Files
+[*.{htm,html,js,ts,css,scss,less}]
+indent_size = 2
+insert_final_newline = true
+
+# Bash Files
+[*.sh]
+end_of_line = lf

appveyor.yml

@@ -29,7 +29,12 @@ build:
   project: src/Markdig.sln
   verbosity: minimal
 before_package:
-- cmd: msbuild /t:pack /p:VersionSuffix="%MARKDIG_VERSION_SUFFIX%" /p:Configuration=Release Markdig/Markdig.csproj
+- cmd: >-
+     msbuild /t:pack /p:VersionSuffix="%MARKDIG_VERSION_SUFFIX%" /p:Configuration=Release Markdig/Markdig.csproj
+
+     msbuild /t:Clean Markdig/Markdig.csproj
+     
+     msbuild /t:pack /p:VersionSuffix="%MARKDIG_VERSION_SUFFIX%" /p:Configuration=Release;SignAssembly=true Markdig/Markdig.csproj
 artifacts:
 - path: src\Markdig\Bin\Release\*.nupkg
   name: Markdig Nugets

readme.md

@@ -14,7 +14,7 @@ You can **try Markdig online** and compare it to other implementations on [babel
 - **Abstract Syntax Tree** with precise source code location for syntax tree, useful when building a Markdown editor.
   - Checkout [MarkdownEditor for Visual Studio](https://visualstudiogallery.msdn.microsoft.com/eaab33c3-437b-4918-8354-872dfe5d1bfe) powered by Markdig!
 - Converter to **HTML**
-- Passing more than **600+ tests** from the latest [CommonMark specs (0.27)](http://spec.commonmark.org/)
+- Passing more than **600+ tests** from the latest [CommonMark specs (0.28)](http://spec.commonmark.org/)
 - Includes all the core elements of CommonMark:
   - including **GFM fenced code blocks**.  
 - **Extensible** architecture
@@ -47,7 +47,7 @@ You can **try Markdig online** and compare it to other implementations on [babel
   - [**Emoji**](src/Markdig.Tests/Specs/EmojiSpecs.md) support (inspired from [Markdown-it](https://markdown-it.github.io/))
   - [**SmartyPants**](src/Markdig.Tests/Specs/SmartyPantsSpecs.md) (inspired from [Daring Fireball - SmartyPants](https://daringfireball.net/projects/smartypants/))
   - [**Bootstrap**](src/Markdig.Tests/Specs/BootstrapSpecs.md) class (to output bootstrap class)
-  - [**Diagrams**](src/Markdig.Tests/Specs/DiagramsSpecs.md) extension whenever a fenced code block contains a special keyword, it will be converted to a div block with the content as-is (currently, supports only for [`mermaid` diagrams](https://knsv.github.io/mermaid/))
+  - [**Diagrams**](src/Markdig.Tests/Specs/DiagramsSpecs.md) extension whenever a fenced code block contains a special keyword, it will be converted to a div block with the content as-is (currently, supports [`mermaid`](https://knsv.github.io/mermaid/) and [`nomnoml`](https://github.com/skanaar/nomnoml) diagrams)
   - [**YAML frontmatter**](src/Markdig.Tests/Specs/YamlSpecs.md) to parse without evaluating the frontmatter and to discard it from the HTML output (typically used for previewing without the frontmatter in MarkdownEditor)
   - [**JIRA links**](src/Markdig.Tests/Specs/JiraLinks.md) to automatically generate links for JIRA project references (Thanks to @clarkd: https://github.com/clarkd/MarkdigJiraLinker)
 - Compatible with .NET 3.5, 4.0+ and .NET Core (`netstandard1.1+`)
@@ -64,6 +64,8 @@ In the meantime, you can have a "behind the scene" article about Markdig in my b
 
 Markdig is available as a NuGet package: [![NuGet](https://img.shields.io/nuget/v/Markdig.svg)](https://www.nuget.org/packages/Markdig/)
 
+Also [Markdig.Signed](https://www.nuget.org/packages/Markdig.Signed/) NuGet package provides signed assemblies.
+
 ## Usage
 
 The main entry point for the API is the `Markdig.Markdown` class:

src/Markdig.Tests/Specs/AbbreviationSpecs.md

@@ -77,3 +77,24 @@ Abbreviations should match whole word only, even if the word is the entire conte
 .
 <p>1.1A</p>
 ````````````````````````````````
+
+Abbreviations should match whole word only, even if there is another glossary term:
+
+```````````````````````````````` example
+*[SCO]: First
+*[SCOM]: Second
+
+SCOM
+.
+<p><abbr title="Second">SCOM</abbr></p>
+````````````````````````````````
+
+Abbreviations should only match when surrounded by whitespace:
+
+```````````````````````````````` example
+*[PR]: Pull Request
+
+PRAA
+.
+<p>PRAA</p>
+````````````````````````````````

src/Markdig.Tests/Specs/DiagramsSpecs.md

@@ -23,4 +23,35 @@ graph TD;
 </div>
 ````````````````````````````````
 
+## nomnoml diagrams
+
+Using a fenced code block with the `nomnoml` language info will output a `<div class='nomnoml'>` instead of a `pre/code` block:
+
+```````````````````````````````` example
+```nomnoml
+[example|
+  propertyA: Int
+  propertyB: string
+|
+  methodA()
+  methodB()
+|
+  [subA]--[subB]
+  [subA]-:>[sub C]
+]
+```
+.
+<div class="nomnoml">[example|
+  propertyA: Int
+  propertyB: string
+|
+  methodA()
+  methodB()
+|
+  [subA]--[subB]
+  [subA]-:>[sub C]
+]
+</div>
+````````````````````````````````
+
 TODO: Add other text diagram languages

src/Markdig.Tests/Specs/EmojiSpecs.md

@@ -31,9 +31,9 @@ We all need :), it makes us :muscle:. (and :ok_hand:).
 Sentences can end with Emoji:
 
 ```````````````````````````````` example
-This is a sentance :ok_hand:
+This is a sentence :ok_hand:
 and keeps going to the next line :)
 .
-<p>This is a sentance 👌
+<p>This is a sentence 👌
 and keeps going to the next line 😃</p>
-````````````````````````````````
+````````````````````````````````

src/Markdig.Tests/Specs/PipeTableSpecs.md

@@ -513,6 +513,39 @@ a  | b
 </table>
 ````````````````````````````````
 
+** Rule #9**
+
+It is possible to have a single row header only:
+
+```````````````````````````````` example
+a  | b
+-- | --
+.
+<table>
+<thead>
+<tr>
+<th>a</th>
+<th>b</th>
+</tr>
+</thead>
+</table>
+````````````````````````````````
+
+```````````````````````````````` example
+|a|b|c
+|---|---|---|
+.
+<table>
+<thead>
+<tr>
+<th>a</th>
+<th>b</th>
+<th>c</th>
+</tr>
+</thead>
+</table>
+````````````````````````````````
+
 ** Tests **
 
 Tests trailing spaces after pipes

src/Markdig.Tests/Specs/Specs.tt

@@ -1,4 +1,4 @@
-<#/*
+<#/*
 Copyright (c) Alexandre Mutel. All rights reserved.
 This file is licensed under the BSD-Clause 2 license. 
 See the license.txt file in the project root for more information.The MIT License (MIT)
@@ -36,9 +36,10 @@ SOFTWARE.
 <#@ import namespace="System.Collections.Generic" #>
 <#@ import namespace="System.CodeDom" #>
 <#@ import namespace="System.CodeDom.Compiler" #>
-<#@ output extension=".cs" #><#
+<#@ output extension=".cs" encoding="utf-8"#>
+<#
     var specFiles = new KeyValuePair<string, string>[] {
-		new KeyValuePair<string, string>("https://raw.githubusercontent.com/jgm/CommonMark/791b1c121f16d3d7e80837c6f52917e57bbb2f61/spec.txt", string.Empty), // 0.27
+		new KeyValuePair<string, string>("https://raw.githubusercontent.com/jgm/CommonMark/4ec06917c3a3632be4a935ffa0973092bd2621be/spec.txt", string.Empty), // 0.28
 		new KeyValuePair<string, string>(Host.ResolvePath("PipeTableSpecs.md"), "pipetables|advanced"),
 		new KeyValuePair<string, string>(Host.ResolvePath("FootnotesSpecs.md"), "footnotes|advanced"),
 		new KeyValuePair<string, string>(Host.ResolvePath("GenericAttributesSpecs.md"), "attributes|advanced"),

src/Markdig.Tests/Specs/TestEmphasisPlus.cs

@@ -13,13 +13,13 @@ namespace Markdig.Tests
         [Test]
         public void StrongNormal()
         {
-            TestParser.TestSpec("***Strong emphasis*** normal", "<p><strong><em>Strong emphasis</em></strong> normal</p>", "");
+            TestParser.TestSpec("***Strong emphasis*** normal", "<p><em><strong>Strong emphasis</strong></em> normal</p>", "");
         }
 
         [Test]
         public void NormalStrongNormal()
         {
-            TestParser.TestSpec("normal ***Strong emphasis*** normal", "<p>normal <strong><em>Strong emphasis</em></strong> normal</p>", "");
+            TestParser.TestSpec("normal ***Strong emphasis*** normal", "<p>normal <em><strong>Strong emphasis</strong></em> normal</p>", "");
         }
     }
 }

src/Markdig.Tests/Specs/YamlSpecs.md

@@ -42,3 +42,62 @@ This is a text
 <p>This is a text</p>
 ````````````````````````````````
 
+It can end with three dots `...`:
+
+```````````````````````````````` example
+---
+this: is a frontmatter
+...
+This is a text
+.
+<p>This is a text</p>
+````````````````````````````````
+
+It expects exactly three dots `...`:
+
+```````````````````````````````` example
+---
+this: is a frontmatter
+....
+This is a text
+.
+````````````````````````````````
+
+Front matter ends with the first line containing three dots `...` or three dashes `...`:
+
+```````````````````````````````` example
+---
+this: is a frontmatter
+....
+
+Hello
+---
+This is a text
+.
+<p>This is a text</p>
+````````````````````````````````
+
+It expects whitespace can exist after the leading characters
+
+```````````````````````````````` example
+---   
+this: is a frontmatter
+...
+This is a text
+.
+<p>This is a text</p>
+````````````````````````````````
+
+It expects whitespace can exist after the trailing characters
+
+```````````````````````````````` example
+---
+this: is a frontmatter
+...     
+This is a text
+.
+<p>This is a text</p>
+````````````````````````````````
+
+
+

src/Markdig.Tests/TestPlayParser.cs

@@ -12,6 +12,18 @@ namespace Markdig.Tests
     [TestFixture]
     public class TestPlayParser
     {
+        [Test]
+        public void TestListBug2()
+        {
+            TestParser.TestSpec("10.\t*test* – test\n\n11.\t__test__ test\n\n", @"<ol start=""10"">
+<li><p><em>test</em> – test</p>
+</li>
+<li><p><strong>test</strong> test</p>
+</li>
+</ol>
+");
+        }
+
         [Test]
         public void TestSimple()
         {
@@ -109,6 +121,11 @@ blabla
 <h1>header2</h1>");
         }
 
+        [Test]
+        public void TestHtmlh4Bug()
+        {
+            TestParser.TestSpec(@"<h4>foobar</h4>", @"<h4>foobar</h4>");
+        }
 
         [Test]
         public void TestStandardUriEscape()

src/Markdig/Extensions/Abbreviations/AbbreviationParser.cs

@@ -20,7 +20,7 @@ namespace Markdig.Extensions.Abbreviations
         /// </summary>
         public AbbreviationParser()
         {
-            OpeningCharacters = new[] {'*'};
+            OpeningCharacters = new[] { '*' };
         }
 
         public override BlockState TryOpen(BlockProcessor processor)
@@ -90,7 +90,7 @@ namespace Markdig.Extensions.Abbreviations
 
             inlineProcessor.LiteralInlineParser.PostMatch += (InlineProcessor processor, ref StringSlice slice) =>
             {
-                var literal = (LiteralInline) processor.Inline;
+                var literal = (LiteralInline)processor.Inline;
                 var originalLiteral = literal;
 
                 ContainerInline container = null;
@@ -145,11 +145,13 @@ namespace Markdig.Extensions.Abbreviations
                                 container.AppendChild(literal);
                             }
 
-                            literal.Span.End = abbrInline.Span.Start - 1;
-                            // Truncate it before the abbreviation
-                            literal.Content.End = i - 1;
                         }
 
+                        literal.Span.End = abbrInline.Span.Start - 1;
+                        // Truncate it before the abbreviation
+                        literal.Content.End = i - 1;
+
+
                         // Appned the abbreviation
                         container.AppendChild(abbrInline);
 
@@ -193,25 +195,41 @@ namespace Markdig.Extensions.Abbreviations
             while (index >= content.Start)
             {
                 var c = content.PeekCharAbsolute(index);
-                if (!(c == '\0' || c.IsAsciiPunctuation() || c.IsWhitespace()))
+                if (!(c == '\0' || c.IsWhitespace() || c.IsAsciiPunctuation()))
                 {
                     return false;
                 }
-                if (!c.IsAsciiPunctuation())
+
+                if (c.IsAlphaNumeric())
+                {
+                    return false;
+                }
+
+                if (!c.IsAsciiPunctuation() || c.IsWhitespace())
                 {
                     break;
                 }
                 index--;
             }
+
+            // This will check if the next char at the end of the StringSlice is whitespace, punctuation or \0.
+            var contentNew = content;
+            contentNew.End = content.End + 1;
             index = matchIndex + match.Length;
-            while (index <= content.End)
+            while (index <= contentNew.End)
             {
-                var c = content.PeekCharAbsolute(index);
-                if (!(c == '\0' || c.IsAsciiPunctuation() || c.IsWhitespace()))
+                var c = contentNew.PeekCharAbsolute(index);
+                if (!(c == '\0' || c.IsWhitespace() || c.IsAsciiPunctuation()))
                 {
                     return false;
                 }
-                if (!c.IsAsciiPunctuation())
+
+                if (c.IsAlphaNumeric())
+                {
+                    return false;
+                }
+
+                if (c.IsWhitespace())
                 {
                     break;
                 }

src/Markdig/Extensions/AutoIdentifiers/AutoIdentifierExtension.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Alexandre Mutel. All rights reserved.
+// Copyright (c) Alexandre Mutel. All rights reserved.
 // This file is licensed under the BSD-Clause 2 license. 
 // See the license.txt file in the project root for more information.
 
@@ -143,7 +143,12 @@ namespace Markdig.Extensions.AutoIdentifiers
             stripRenderer.Render(headingBlock.Inline);
             var headingText = headingWriter.ToString();
             headingWriter.GetStringBuilder().Length = 0;
-            headingText = LinkHelper.Urilize(headingText, (options & AutoIdentifierOptions.AllowOnlyAscii) != 0);
+
+            // TODO: Should we have a struct with more configure optionss for LinkHelper.Urilize?
+            headingText = LinkHelper.Urilize(headingText,
+                (options & AutoIdentifierOptions.AllowOnlyAscii) != 0,
+                (options & AutoIdentifierOptions.KeepOpeningDigits) != 0,
+                (options & AutoIdentifierOptions.DiscardDots) != 0);
 
             var baseHeadingId = string.IsNullOrEmpty(headingText) ? "section" : headingText;
             int index = 0;

src/Markdig/Extensions/AutoIdentifiers/AutoIdentifierOptions.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Alexandre Mutel. All rights reserved.
+// Copyright (c) Alexandre Mutel. All rights reserved.
 // This file is licensed under the BSD-Clause 2 license. 
 // See the license.txt file in the project root for more information.
 using System;
@@ -21,6 +21,11 @@ namespace Markdig.Extensions.AutoIdentifiers
         /// </summary>
         Default = AutoLink | AllowOnlyAscii,
 
+        /// <summary>
+        /// Renders auto identifiers like GitHub.
+        /// </summary>
+        GitHub = Default | KeepOpeningDigits | DiscardDots,
+
         /// <summary>
         /// Allows to link to a header by using the same text as the header for the link label. Default is <c>true</c>
         /// </summary>
@@ -30,5 +35,15 @@ namespace Markdig.Extensions.AutoIdentifiers
         /// Allows only ASCII characters in the url (HTML 5 allows to have UTF8 characters). Default is <c>true</c>
         /// </summary>
         AllowOnlyAscii = 2,
+
+        /// <summary>
+        /// Allows to keep digits starting a heading (by default, it keeps only characters starting from the first letter)
+        /// </summary>
+        KeepOpeningDigits = 4,
+
+        /// <summary>
+        /// Discard dots when computing an identifier.
+        /// </summary>
+        DiscardDots = 8
     }
 }

src/Markdig/Extensions/Diagrams/DiagramExtension.cs

@@ -25,6 +25,7 @@ namespace Markdig.Extensions.Diagrams
                 var codeRenderer = htmlRenderer.ObjectRenderers.FindExact<CodeBlockRenderer>();
                 // TODO: Add other well known diagram languages
                 codeRenderer.BlocksAsDiv.Add("mermaid");
+                codeRenderer.BlocksAsDiv.Add("nomnoml");
             }
         }
     }

src/Markdig/Extensions/Tables/HtmlTableRenderer.cs

@@ -85,7 +85,7 @@ namespace Markdig.Extensions.Tables
                     {
                         renderer.Write($" rowspan=\"{cell.RowSpan}\"");
                     }
-                    if (table.ColumnDefinitions != null)
+                    if (table.ColumnDefinitions.Count > 0)
                     {
                         var columnIndex = cell.ColumnIndex < 0 || cell.ColumnIndex >= table.ColumnDefinitions.Count
                             ? i

src/Markdig/Extensions/Tables/PipeTableOptions.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Alexandre Mutel. All rights reserved.
+// Copyright (c) Alexandre Mutel. All rights reserved.
 // This file is licensed under the BSD-Clause 2 license. 
 // See the license.txt file in the project root for more information.
 namespace Markdig.Extensions.Tables

src/Markdig/Extensions/Tables/PipeTableParser.cs

@@ -440,12 +440,13 @@ namespace Markdig.Extensions.Tables
 
             // If we have a header row, we can remove it
             // TODO: we could optimize this by merging FindHeaderRow and the previous loop
+            var tableRow = (TableRow)table[0];
+            tableRow.IsHeader = Options.RequireHeaderSeparator;
             if (aligns != null)
             {
-                table.RemoveAt(1);
-                var tableRow = (TableRow) table[0];
-                table.ColumnDefinitions.AddRange(aligns);
                 tableRow.IsHeader = true;
+                table.RemoveAt(1);
+                table.ColumnDefinitions.AddRange(aligns);
             }
 
             // Perform delimiter processor that are coming after this processor
@@ -532,6 +533,13 @@ namespace Markdig.Extensions.Tables
                             ? columnDelimiter.FirstChild
                             : delimiter.NextSibling;
 
+                        // If there is no content after
+                        if (IsNullOrSpace(nextSibling))
+                        {
+                            isValidRow = true;
+                            break;
+                        }
+
                         if (!ParseHeaderString(nextSibling, out align))
                         {
                             break;
@@ -606,6 +614,20 @@ namespace Markdig.Extensions.Tables
             }
         }
 
+        private static bool IsNullOrSpace(Inline inline)
+        {
+            if (inline == null)
+            {
+                return true;
+            }
+            var literal = inline as LiteralInline;
+            if (literal != null)
+            {
+                return literal.Content.IsEmptyOrWhitespace();
+            }
+            return false;
+        }
+
         private class TableState
         {
             public TableState()

src/Markdig/Extensions/Tables/Table.cs

@@ -33,7 +33,7 @@ namespace Markdig.Extensions.Tables
         /// <summary>
         /// Gets or sets the column alignments. May be null.
         /// </summary>
-        public List<TableColumnDefinition> ColumnDefinitions { get; private set; }
+        public List<TableColumnDefinition> ColumnDefinitions { get; }
 
         /// <summary>
         /// Checks if the table structure is valid.

src/Markdig/Extensions/Yaml/YamlFrontMatterBlock.cs

@@ -10,7 +10,7 @@ namespace Markdig.Extensions.Yaml
     /// A YAML frontmatter block.
     /// </summary>
     /// <seealso cref="Markdig.Syntax.CodeBlock" />
-    public class YamlFrontMatterBlock : CodeBlock, IFencedBlock
+    public class YamlFrontMatterBlock : CodeBlock
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="YamlFrontMatterBlock"/> class.
@@ -19,13 +19,5 @@ namespace Markdig.Extensions.Yaml
         public YamlFrontMatterBlock(BlockParser parser) : base(parser)
         {
         }
-
-        public string Info { get; set; }
-
-        public string Arguments { get; set; }
-
-        public int FencedCharCount { get; set; }
-
-        public char FencedChar { get; set; }
     }
 }

src/Markdig/Extensions/Yaml/YamlFrontMatterParser.cs

@@ -1,44 +1,128 @@
 // Copyright (c) Alexandre Mutel. All rights reserved.
 // This file is licensed under the BSD-Clause 2 license. 
 // See the license.txt file in the project root for more information.
+using Markdig.Helpers;
 using Markdig.Parsers;
+using Markdig.Syntax;
 
 namespace Markdig.Extensions.Yaml
 {
     /// <summary>
     /// Block parser for a YAML frontmatter. 
     /// </summary>
-    /// <seealso cref="Markdig.Parsers.FencedBlockParserBase{YamlFrontMatterBlock}" />
-    public class YamlFrontMatterParser : FencedBlockParserBase<YamlFrontMatterBlock>
+    /// <seealso cref="YamlFrontMatterBlock" />
+    public class YamlFrontMatterParser : BlockParser
     {
         // We reuse a FencedCodeBlock parser to grab a frontmatter, only active if it happens on the first line of the document.
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="FencedCodeBlockParser"/> class.
+        /// Initializes a new instance of the <see cref="YamlFrontMatterParser"/> class.
         /// </summary>
         public YamlFrontMatterParser()
         {
-            OpeningCharacters = new[] { '-' };
-            InfoPrefix = null;
-            // We expect only 3 --- at the beginning of the file no more, no less
-            MinimumMatchCount = 3;
-            MaximumMatchCount = 3;
+            this.OpeningCharacters = new[] { '-' };
         }
 
-        protected override YamlFrontMatterBlock CreateFencedBlock(BlockProcessor processor)
+        /// <summary>
+        /// Creates the front matter block.
+        /// </summary>
+        /// <param name="processor">The block processor</param>
+        /// <returns>The front matter block</returns>
+        protected virtual YamlFrontMatterBlock CreateFrontMatterBlock(BlockProcessor processor)
         {
             return new YamlFrontMatterBlock(this);
         }
 
+        /// <summary>
+        /// Tries to match a block opening.
+        /// </summary>
+        /// <param name="processor">The parser processor.</param>
+        /// <returns>The result of the match</returns>
         public override BlockState TryOpen(BlockProcessor processor)
         {
-            // Only accept a frontmatter at the beginning of the file
-            if (processor.LineIndex != 0)
+            // We expect no indentation for a fenced code block.
+            if (processor.IsCodeIndent)
             {
                 return BlockState.None;
             }
 
-            return base.TryOpen(processor);
+            // Only accept a frontmatter at the beginning of the file
+            if (processor.Start != 0)
+            {
+                return BlockState.None;
+            }
+            
+            int count = 0;
+            var line = processor.Line;
+            char c = line.CurrentChar;
+
+            // Must consist of exactly three dashes
+            while (c == '-' && count < 4)
+            {
+                count++;
+                c = line.NextChar();
+            }
+
+            // If three dashes (optionally followed by whitespace)
+            // this is a YAML front matter blcok
+            if (count == 3 && (c == '\0' || c.IsWhitespace()) && line.TrimEnd())
+            {
+                // Create a front matter block
+                var block = this.CreateFrontMatterBlock(processor);
+                block.Column = processor.Column;
+                block.Span.Start = 0;
+                block.Span.End = line.Start;
+
+                // Store the number of matched string into the context
+                processor.NewBlocks.Push(block);
+
+                // Discard the current line as it is already parsed
+                return BlockState.ContinueDiscard;
+            }
+
+            return BlockState.None;
+        }
+
+        /// <summary>
+        /// Tries to continue matching a block already opened.
+        /// </summary>
+        /// <param name="processor">The parser processor.</param>
+        /// <param name="block">The block already opened.</param>
+        /// <returns>The result of the match. By default, don't expect any newline</returns>
+        public override BlockState TryContinue(BlockProcessor processor, Block block)
+        {
+            char matchChar;
+            int count = 0;
+            var c = processor.CurrentChar;
+
+            // Determine if we have a closing fence.
+            // It can start or end with either <c>---</c> or <c>...</c>
+            var line = processor.Line;
+            if (processor.Column == 0 && (c == '-' || c == '.'))
+            {
+                matchChar = c;
+
+                while (c == matchChar)
+                {
+                    c = line.NextChar();
+                    count++;
+                }
+
+                // If we have a closing fence, close it and discard the current line
+                // The line must contain only fence characters and optional following whitespace.
+                if (count == 3 && !processor.IsCodeIndent && (c == '\0' || c.IsWhitespace()) && line.TrimEnd())
+                {
+                    block.UpdateSpanEnd(line.Start - 1);
+
+                    // Don't keep the last line
+                    return BlockState.BreakDiscard;
+                }
+            }
+
+            // Reset the indentation to the column before the indent
+            processor.GoToColumn(processor.ColumnBeforeIndent);
+
+            return BlockState.Continue;
         }
     }
 }

src/Markdig/Helpers/CharacterMap.cs

@@ -115,35 +115,44 @@ namespace Markdig.Helpers
         /// <param name="start">The start.</param>
         /// <param name="end">The end.</param>
         /// <returns>Index position within the string of the first opening character found in the specified text; if not found, returns -1</returns>
-        public unsafe int IndexOfOpeningCharacter(string text, int start, int end)
+        public int IndexOfOpeningCharacter(string text, int start, int end)
         {
             var maxChar = isOpeningCharacter.Length;
+#if SUPPORT_UNSAFE
+            unsafe
+#endif
+            {
 #if SUPPORT_FIXED_STRING
             fixed (char* pText = text)
 #else
-            var pText = text;
+                var pText = text;
+#endif
+#if SUPPORT_UNSAFE
+                fixed (bool* openingChars = isOpeningCharacter)
+#else
+                var openingChars = isOpeningCharacter;
 #endif
-            fixed (bool* openingChars = isOpeningCharacter)
-            {
-                if (nonAsciiMap == null)
                 {
-                    for (int i = start; i <= end; i++)
+                    if (nonAsciiMap == null)
                     {
-                        var c = pText[i];
-                        if (c < maxChar && openingChars[c])
+                        for (int i = start; i <= end; i++)
                         {
-                            return i;
+                            var c = pText[i];
+                            if (c < maxChar && openingChars[c])
+                            {
+                                return i;
+                            }
                         }
                     }
-                }
-                else
-                {
-                    for (int i = start; i <= end; i++)
+                    else
                     {
-                        var c = pText[i];
-                        if ((c < maxChar && openingChars[c]) || nonAsciiMap.ContainsKey(c))
+                        for (int i = start; i <= end; i++)
                         {
-                            return i;
+                            var c = pText[i];
+                            if ((c < maxChar && openingChars[c]) || nonAsciiMap.ContainsKey(c))
+                            {
+                                return i;
+                            }
                         }
                     }
                 }

src/Markdig/Helpers/LinkHelper.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Alexandre Mutel. All rights reserved.
+// Copyright (c) Alexandre Mutel. All rights reserved.
 // This file is licensed under the BSD-Clause 2 license. 
 // See the license.txt file in the project root for more information.
 using System;
@@ -18,10 +18,10 @@ namespace Markdig.Helpers
             return TryParseAutolink(ref text, out link, out isEmail);
         }
 
-        public static string Urilize(string headingText, bool allowOnlyAscii)
+        public static string Urilize(string headingText, bool allowOnlyAscii, bool keepOpeningDigits = false, bool discardDots = false)
         {
             var headingBuffer = StringBuilderCache.Local();
-            bool hasLetter = false;
+            bool hasLetter = keepOpeningDigits && headingText.Length > 0 && char.IsLetterOrDigit(headingText[0]);
             bool previousIsSpace = false;
             for (int i = 0; i < headingText.Length; i++)
             {
@@ -47,7 +47,7 @@ namespace Markdig.Helpers
                     }
                     else if (hasLetter)
                     {
-                        if (IsReservedPunctuation(c))
+                        if (IsReservedPunctuation(c, discardDots))
                         {
                             if (previousIsSpace)
                             {
@@ -67,7 +67,7 @@ namespace Markdig.Helpers
                         else if (!previousIsSpace && c.IsWhitespace())
                         {
                             var pc = headingBuffer[headingBuffer.Length - 1];
-                            if (!IsReservedPunctuation(pc))
+                            if (!IsReservedPunctuation(pc, discardDots))
                             {
                                 headingBuffer.Append('-');
                             }
@@ -81,7 +81,7 @@ namespace Markdig.Helpers
             while (headingBuffer.Length > 0)
             {
                 var c = headingBuffer[headingBuffer.Length - 1];
-                if (IsReservedPunctuation(c))
+                if (IsReservedPunctuation(c, false))
                 {
                     headingBuffer.Length--;
                 }
@@ -97,9 +97,9 @@ namespace Markdig.Helpers
         }
 
         [MethodImpl(MethodImplOptionPortable.AggressiveInlining)]
-        private static bool IsReservedPunctuation(char c)
+        private static bool IsReservedPunctuation(char c, bool discardDots)
         {
-            return c == '_' || c == '-' || c == '.';
+            return c == '_' || c == '-' || (!discardDots && c == '.');
         }
 
         public static bool TryParseAutolink(ref StringSlice text, out string link, out bool isEmail)
@@ -561,10 +561,6 @@ namespace Markdig.Helpers
                     {
                         if (!hasEscape)
                         {
-                            if (openedParent > 0)
-                            {
-                                break;
-                            }
                             openedParent++;
                         }
                     }
@@ -613,6 +609,11 @@ namespace Markdig.Helpers
 
                     c = text.NextChar();
                 }
+
+                if (openedParent > 0)
+                {
+                    isValid = false;
+                }
             }
 
             link = isValid ? buffer.ToString() : null;

src/Markdig/Markdig.csproj

@@ -5,26 +5,26 @@
     <Copyright>Alexandre Mutel</Copyright>
     <AssemblyTitle>Markdig</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.12.2</VersionPrefix>
+    <VersionPrefix>0.13.4</VersionPrefix>
     <Authors>Alexandre Mutel</Authors>
-    <TargetFrameworks>net35;net40;portable40-net40+sl5+win8+wp8+wpa81;netstandard1.1</TargetFrameworks>
+    <TargetFrameworks>net35;net40;portable40-net40+sl5+win8+wp8+wpa81;netstandard1.1;uap10.0</TargetFrameworks>
     <AssemblyName>Markdig</AssemblyName>
     <PackageId>Markdig</PackageId>
+    <PackageId Condition="'$(SignAssembly)' == 'true'">Markdig.Signed</PackageId>
     <PackageTags>Markdown CommonMark md html md2html</PackageTags>
     <PackageReleaseNotes>
-&gt; 0.12.2
- - Fix issue with generic attributes used just before a pipe table (issue #121)
-&gt; 0.12.1
- - Fix issue with media links extension when a URL to video is used, an unexpected closing `&lt;/iframe&gt;` was inserted (issue #119)
-&gt; 0.12.0
- - Add new extension JiraLink support (thanks to @clarkd)
- - Fix issue in html attributes not parsing correctly properties (thanks to @meziantou)
- - Fix issues detected by an automatic static code analysis tool
-&gt; 0.11.0
- - Fix issue with math extension and $$ block parsing not handling correctly beginning of a $$ as a inline math instead (issue #107)
- - Fix issue with custom attributes for emphasis
- - Add support for new special custom arrows emoji (-&gt; &lt;- &lt;-&gt; &lt;= =&gt; and &lt;==&gt;)
-</PackageReleaseNotes>
+&gt; 0.13.4
+- Add support for single table header row without a table body rows (#141)
+- ADd support for `nomnoml` diagrams
+&gt; 0.13.3
+- Add support for Pandoc YAML frontmatter (#138)
+&gt; 0.13.2
+- Add support for UAP10.0 (#137)
+&gt; 0.13.1
+- Fix indenting issue after a double digit list block using a tab (#134)
+&gt; 0.13.0
+- Update to latest CommonMark specs 0.28
+    </PackageReleaseNotes>
     <PackageIconUrl>https://raw.githubusercontent.com/lunet-io/markdig/master/img/markdig.png</PackageIconUrl>
     <PackageProjectUrl>https://github.com/lunet-io/markdig</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/lunet-io/markdig/blob/master/license.txt</PackageLicenseUrl>
@@ -52,22 +52,47 @@
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net35' ">
-    <DefineConstants>$(DefineConstants);SUPPORT_FIXED_STRING</DefineConstants>
+    <DefineConstants>$(DefineConstants);SUPPORT_FIXED_STRING;SUPPORT_UNSAFE</DefineConstants>
+  </PropertyGroup>
+
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net40' ">
+    <DefineConstants>$(DefineConstants);SUPPORT_FIXED_STRING;SUPPORT_UNSAFE</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard1.1' ">
-    <DefineConstants>$(DefineConstants);NETSTANDARD_11</DefineConstants>
+    <DefineConstants>$(DefineConstants);NETSTANDARD_11;SUPPORT_UNSAFE</DefineConstants>
   </PropertyGroup>
     
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'uap10.0' ">
+    <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
+    <TargetPlatformVersion Condition="'$(TargetPlatformVersion)' == ''">10.0.10240.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion Condition="'$(TargetPlatformMinVersion)' == ''">10.0.10240.0</TargetPlatformMinVersion> 
+    <DefineConstants>$(DefineConstants);NETSTANDARD_11;SUPPORT_UNSAFE</DefineConstants>
+  </PropertyGroup>
+  
   <PropertyGroup Condition="'$(TargetFramework)' == 'portable40-net40+sl5+win8+wp8+wpa81'">
     <TargetFrameworkIdentifier>.NETPortable</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <TargetFrameworkProfile>Profile328</TargetFrameworkProfile>
+    <LanguageTargets>$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets</LanguageTargets>
   </PropertyGroup>  
-
+  
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
+  <PropertyGroup Condition=" '$(SignAssembly)' == 'true' ">
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+    <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+  </PropertyGroup>
+
+  <!-- Special packages and imports for UWP support -->
+  <ItemGroup>
+    <PackageReference Include="MSBuild.Sdk.Extras" Version="1.0.9" PrivateAssets="all" />
+  </ItemGroup>
+  <ItemGroup Condition=" '$(TargetFramework)' == 'uap10.0' ">
+    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform " Version="5.2.2" />
+  </ItemGroup>
+  <Import Project="$(MSBuildSDKExtrasTargets)" Condition="Exists('$(MSBuildSDKExtrasTargets)')" />
 </Project>

src/Markdig/Parsers/HtmlBlockParser.cs

@@ -159,7 +159,7 @@ namespace Markdig.Parsers
             }
 
             // Cannot start with </script </pre or </style
-            if ((tagIndex == 45 || tagIndex == 46 || tagIndex == 49))
+            if ((tagIndex == 50 || tagIndex == 51 || tagIndex == 54))
             {
                 if (c == '/' || hasLeadingClose)
                 {
@@ -281,67 +281,72 @@ namespace Markdig.Parsers
 
         private static readonly string[] HtmlTags =
         {
-            "address",     // 0
-            "article",     // 1
-            "aside",       // 2
-            "base",        // 3
-            "basefont",    // 4
-            "blockquote",  // 5
-            "body",        // 6
-            "caption",     // 7
-            "center",      // 8
-            "col",         // 9
-            "colgroup",    // 10
-            "dd",          // 11
-            "details",     // 12
-            "dialog",      // 13
-            "dir",         // 14
-            "div",         // 15
-            "dl",          // 16
-            "dt",          // 17
-            "fieldset",    // 18
-            "figcaption",  // 19
-            "figure",      // 20
-            "footer",      // 21
-            "form",        // 22
-            "frame",       // 23
-            "frameset",    // 24
-            "h1",          // 25
-            "head",        // 26
-            "header",      // 27
-            "hr",          // 28
-            "html",        // 29
-            "iframe",      // 30
-            "legend",      // 31
-            "li",          // 32
-            "link",        // 33
-            "main",        // 34
-            "menu",        // 35
-            "menuitem",    // 36
-            "meta",        // 37
-            "nav",         // 38
-            "noframes",    // 39
-            "ol",          // 40
-            "optgroup",    // 41
-            "option",      // 42
-            "p",           // 43
-            "param",       // 44
-            "pre",         // 45   <- special group 1
-            "script",      // 46   <- special group 1
-            "section",     // 47
-            "source",      // 48
-            "style",       // 49   <- special group 1
-            "summary",     // 50
-            "table",       // 51
-            "tbody",       // 52
-            "td",          // 53
-            "tfoot",       // 54
-            "th",          // 55
-            "thead",       // 56
-            "title",       // 57
-            "tr",          // 58
-            "track",       // 59
-            "ul",          // 60
+            "address", // 0
+            "article", // 1
+            "aside", // 2
+            "base", // 3
+            "basefont", // 4
+            "blockquote", // 5
+            "body", // 6
+            "caption", // 7
+            "center", // 8
+            "col", // 9
+            "colgroup", // 10
+            "dd", // 11
+            "details", // 12
+            "dialog", // 13
+            "dir", // 14
+            "div", // 15
+            "dl", // 16
+            "dt", // 17
+            "fieldset", // 18
+            "figcaption", // 19
+            "figure", // 20
+            "footer", // 21
+            "form", // 22
+            "frame", // 23
+            "frameset", // 24
+            "h1", // 25
+            "h2", // 26
+            "h3", // 27
+            "h4", // 28
+            "h5", // 29
+            "h6", // 30
+            "head", // 31
+            "header", // 32
+            "hr", // 33
+            "html", // 34
+            "iframe", // 35
+            "legend", // 36
+            "li", // 37
+            "link", // 38
+            "main", // 39
+            "menu", // 40
+            "menuitem", // 41
+            "meta", // 42
+            "nav", // 43
+            "noframes", // 44
+            "ol", // 45
+            "optgroup", // 46
+            "option", // 47
+            "p", // 48
+            "param", // 49
+            "pre", // 50       <=== special group 1
+            "script", // 51    <=== special group 1
+            "section", // 52
+            "source", // 53
+            "style", // 54     <=== special group 1
+            "summary", // 55
+            "table", // 56
+            "tbody", // 57
+            "td", // 58
+            "tfoot", // 59
+            "th", // 60
+            "thead", // 61
+            "title", // 62
+            "tr", // 63
+            "track", // 64
+            "ul", // 65
         };
     }
 }

src/Markdig/Parsers/Inlines/EmphasisInlineParser.cs

@@ -274,20 +274,6 @@ namespace Markdig.Parsers.Inlines
 
                             var embracer = (ContainerInline)openDelimiter;
 
-                            // Go down to the first emphasis with a lower level
-                            while (true)
-                            {
-                                var previousEmphasis = embracer.FirstChild as EmphasisInline;
-                                if (previousEmphasis != null && previousEmphasis.IsDouble && !isStrong && embracer.FirstChild == embracer.LastChild)
-                                {
-                                    embracer = previousEmphasis;
-                                }
-                                else
-                                {
-                                    break;
-                                }
-                            }
-
                             // Copy attributes attached to delimiter to the emphasis
                             var attributes = closeDelimiter.TryGetAttributes();
                             if (attributes != null)

src/Markdig/Parsers/ListBlockParser.cs

@@ -230,17 +230,16 @@ namespace Markdig.Parsers
                     return BlockState.None;
                 }
 
-                // We require at least one char
-                state.NextColumn();
-
                 // Parse the following indent
                 state.RestartIndent();
                 var columnBeforeIndent = state.Column;
                 state.ParseIndent();
 
-                if (state.IsCodeIndent)
+                // We expect at most 4 columns after
+                // If we have more, we reset the position
+                if (state.Indent > 4)
                 {
-                    state.GoToColumn(columnBeforeIndent);
+                    state.GoToColumn(columnBeforeIndent + 1);
                 }
 
                 // Number of spaces required for the following content to be part of this list item

src/markdig.sln

@@ -1,10 +1,11 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26403.7
+VisualStudioVersion = 15.0.26730.16
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{061866E2-005C-4D13-A338-EA464BBEC60F}"
 	ProjectSection(SolutionItems) = preProject
+		..\appveyor.yml = ..\appveyor.yml
 		..\license.txt = ..\license.txt
 		..\readme.md = ..\readme.md
 	EndProjectSection
@@ -25,6 +26,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Markdig.WebApp", "Markdig.W
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnicodeNormDApp", "UnicodeNormDApp\UnicodeNormDApp.csproj", "{33FFC0B9-0187-44F9-9424-BB5AF5B4FB84}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mdtoc", "mdtoc\mdtoc.csproj", "{E3CDFF0F-5BFC-42E9-BDBA-2797651900A2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -51,8 +54,15 @@ Global
 		{33FFC0B9-0187-44F9-9424-BB5AF5B4FB84}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{33FFC0B9-0187-44F9-9424-BB5AF5B4FB84}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{33FFC0B9-0187-44F9-9424-BB5AF5B4FB84}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E3CDFF0F-5BFC-42E9-BDBA-2797651900A2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E3CDFF0F-5BFC-42E9-BDBA-2797651900A2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E3CDFF0F-5BFC-42E9-BDBA-2797651900A2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E3CDFF0F-5BFC-42E9-BDBA-2797651900A2}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D068F7B6-6ACC-456C-A2E1-10EA746D956D}
+	EndGlobalSection
 EndGlobal

src/mdtoc/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
+    </startup>
+</configuration>

src/mdtoc/Program.cs

@@ -0,0 +1,101 @@
+// Copyright (c) Alexandre Mutel. All rights reserved.
+// This file is licensed under the BSD-Clause 2 license. 
+// See the license.txt file in the project root for more information.
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using Markdig;
+using Markdig.Extensions.AutoIdentifiers;
+using Markdig.Renderers;
+using Markdig.Renderers.Html;
+using Markdig.Syntax;
+
+namespace mdtoc
+{
+    /// <summary>
+    /// A tool to generate a markdown TOC from a markdown local file or a github link to a markdown file.
+    /// </summary>
+    class Program
+    {
+        static void Error(string message)
+        {
+            Console.WriteLine(message);
+            Environment.Exit(1);
+        }
+
+        static void Main(string[] args)
+        {
+            if (args.Length != 1 || args[0] == "--help" || args[0] == "-help" || args[0] == "/?" || args[0] == "/help")
+            {
+                Error("Usage: mdtoc [markdown file path | http github URL]");
+                return;
+            }
+
+            var path = args[0];
+            string markdown = null;
+            if (path.StartsWith("https:"))
+            {
+                Uri uri;
+                if (!Uri.TryCreate(path, UriKind.Absolute, out uri))
+                {
+                    Error($"Unable to parse Uri `{path}`");
+                    return;
+                }
+                // Special handling of github URL to access the raw content instead
+                if (uri.Host == "github.com")
+                {
+                    // https://github.com/lunet-io/scriban/blob/master/doc/language.md
+                    // https://raw.githubusercontent.com/lunet-io/scriban/master/doc/language.md
+                    var newPath = uri.AbsolutePath;
+                    var paths = new List<string>(newPath.Split(new char[] {'/'}, StringSplitOptions.RemoveEmptyEntries));
+                    if (paths.Count < 5 || paths[2] != "blob")
+                    {
+                        Error($"Invalid github.com URL `{path}`");
+                        return;
+                    }
+                    paths.RemoveAt(2); // remove blob
+                    uri = new Uri($"https://raw.githubusercontent.com/{(string.Join("/", paths))}");
+                }
+
+                var httpClient = new HttpClient();
+                markdown = httpClient.GetStringAsync(uri).ConfigureAwait(false).GetAwaiter().GetResult();
+            }
+            else
+            {
+                markdown = File.ReadAllText(path);
+            }
+
+            var pipeline = new MarkdownPipelineBuilder().UseAutoIdentifiers(AutoIdentifierOptions.GitHub).Build();
+            var doc = Markdown.Parse(markdown, pipeline);
+
+            // Precomputes the minHeading
+            var headings = doc.Descendants<HeadingBlock>().ToList();
+            int minHeading = int.MaxValue;
+            int maxHeading = int.MinValue;
+            foreach (var heading in headings)
+            {
+                minHeading = Math.Min(minHeading, heading.Level);
+                maxHeading = Math.Max(maxHeading, heading.Level);
+            }
+
+            var writer = Console.Out;
+            // Use this htmlWriter to write content of headings into link label
+            var htmlWriter = new HtmlRenderer(writer) {EnableHtmlForInline = true};
+            foreach (var heading in headings)
+            {
+                var indent = heading.Level - minHeading;
+                for (int i = 0; i < indent; i++)
+                {
+                    //            - Start Of Heading
+                    writer.Write("  ");
+                }
+                writer.Write("- [");
+                htmlWriter.WriteLeafInline(heading);
+                writer.Write($"](#{heading.GetAttributes().Id})");
+                writer.WriteLine();
+            }
+        }
+    }
+}

src/mdtoc/Properties/AssemblyInfo.cs

@@ -0,0 +1,39 @@
+// Copyright (c) Alexandre Mutel. All rights reserved.
+// This file is licensed under the BSD-Clause 2 license. 
+// See the license.txt file in the project root for more information.
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("mdtoc")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Alexandre Mutel")]
+[assembly: AssemblyProduct("mdtoc")]
+[assembly: AssemblyCopyright("Copyright © 2017 - Alexandre Mutel")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("e3cdff0f-5bfc-42e9-bdba-2797651900a2")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

src/mdtoc/mdtoc.csproj

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{E3CDFF0F-5BFC-42E9-BDBA-2797651900A2}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>mdtoc</RootNamespace>
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