Bump to 0.14.0

Add simple helper that enables conversion to plain text

src/Markdig.Tests/Markdig.Tests.csproj

@@ -61,7 +61,9 @@
     <Compile Include="TestHtmlHelper.cs" />
     <Compile Include="TestLineReader.cs" />
     <Compile Include="TestLinkHelper.cs" />
+    <Compile Include="TestNormalize.cs" />
     <Compile Include="TestOrderedList.cs" />
+    <Compile Include="TestPlainText.cs" />
     <Compile Include="TestPragmaLines.cs" />
     <Compile Include="TestSourcePosition.cs" />
     <Compile Include="TestStringSliceList.cs" />

src/Markdig.Tests/TestNormalize.cs

@@ -0,0 +1,434 @@
+// 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 NUnit.Framework;
+using Markdig.Syntax;
+using Markdig.Syntax.Inlines;
+using System.IO;
+using Markdig.Renderers.Normalize;
+using Markdig.Helpers;
+
+namespace Markdig.Tests
+{
+    [TestFixture]
+    public class TestNormalize
+    {
+        [Test]
+        public void SyntaxCodeBlock()
+        {
+            AssertSyntax("````csharp\npublic void HelloWorld()\n{\n}\n````", new FencedCodeBlock(null)
+            {
+                FencedChar = '`',
+                FencedCharCount = 4,
+                Info = "csharp",
+                Lines = new StringLineGroup(4)
+                {
+                    new StringSlice("public void HelloWorld()"),
+                    new StringSlice("{"),
+                    new StringSlice("}"),
+                }
+            });
+
+            AssertSyntax("    public void HelloWorld()\n    {\n    }", new CodeBlock(null)
+            {
+                Lines = new StringLineGroup(4)
+                {
+                    new StringSlice("public void HelloWorld()"),
+                    new StringSlice("{"),
+                    new StringSlice("}"),
+                }
+            });
+        }
+
+        [Test]
+        public void SyntaxHeadline()
+        {
+            AssertSyntax("## Headline", new HeadingBlock(null)
+            {
+                HeaderChar = '#',
+                Level = 2,
+                Inline = new ContainerInline().AppendChild(new LiteralInline("Headline")),
+            });
+        }
+
+        [Test]
+        public void SyntaxParagraph()
+        {
+            AssertSyntax("This is a normal paragraph", new ParagraphBlock()
+            {
+                Inline = new ContainerInline()
+                    .AppendChild(new LiteralInline("This is a normal paragraph")),
+            });
+
+            AssertSyntax("This is a\nnormal\nparagraph", new ParagraphBlock()
+            {
+                Inline = new ContainerInline()
+                    .AppendChild(new LiteralInline("This is a"))
+                    .AppendChild(new LineBreakInline())
+                    .AppendChild(new LiteralInline("normal"))
+                    .AppendChild(new LineBreakInline())
+                    .AppendChild(new LiteralInline("paragraph")),
+            });
+        }
+
+        [Test]
+        public void CodeBlock()
+        {
+            AssertNormalizeNoTrim("    public void HelloWorld();\n    {\n    }");
+            AssertNormalizeNoTrim("    public void HelloWorld();\n    {\n    }\n\ntext after two newlines");
+            AssertNormalizeNoTrim("````\npublic void HelloWorld();\n{\n}\n````\n\ntext after two newlines");
+            AssertNormalizeNoTrim("````csharp\npublic void HelloWorld();\n{\n}\n````");
+            AssertNormalizeNoTrim("````csharp hideNewKeyword=true\npublic void HelloWorld();\n{\n}\n````");
+        }
+
+        [Test]
+        public void Heading()
+        {
+            AssertNormalizeNoTrim("# Heading");
+            AssertNormalizeNoTrim("## Heading");
+            AssertNormalizeNoTrim("### Heading");
+            AssertNormalizeNoTrim("#### Heading");
+            AssertNormalizeNoTrim("##### Heading");
+            AssertNormalizeNoTrim("###### Heading");
+            AssertNormalizeNoTrim("###### Heading\n\ntext after two newlines");
+            AssertNormalizeNoTrim("# Heading\nAnd Text1\n\nAndText2", options: new NormalizeOptions() { EmptyLineAfterHeading = false });
+
+            AssertNormalizeNoTrim("Heading\n=======\n\ntext after two newlines", "# Heading\n\ntext after two newlines");
+        }
+
+        [Test]
+        public void Backslash()
+        {
+            AssertNormalizeNoTrim("This is a hardline  \nAnd this is another hardline\\\nThis is standard newline");
+            AssertNormalizeNoTrim("This is a line\nWith another line\nAnd a last line");
+        }
+
+        [Test]
+        public void HtmlBlock()
+        {
+            /*AssertNormalizeNoTrim(@"<div id=""foo"" class=""bar
+  baz"">
+</ div >");*/ // TODO: Bug: Throws Exception during emit
+        }
+
+        [Test]
+        public void Paragraph()
+        {
+            AssertNormalizeNoTrim("This is a plain paragraph");
+            AssertNormalizeNoTrim(@"This
+is
+a
+plain
+paragraph");
+        }
+
+        [Test]
+        public void ParagraphMulti()
+        {
+            AssertNormalizeNoTrim(@"line1
+
+line2
+
+line3");
+        }
+
+        [Test]
+        public void ListUnordered()
+        {
+            AssertNormalizeNoTrim(@"- a
+- b
+- c");
+        }
+
+        [Test]
+        public void ListUnorderedLoose()
+        {
+            AssertNormalizeNoTrim(@"- a
+
+- b
+
+- c");
+        }
+
+        [Test]
+        public void ListOrderedLooseAndCodeBlock()
+        {
+            AssertNormalizeNoTrim(@"1. ```
+   foo
+   ```
+   
+   bar");
+        }
+
+        [Test, Ignore("Not sure this is the correct normalize for this one. Need to check the specs")]
+        public void ListUnorderedLooseTop()
+        {
+            AssertNormalizeNoTrim(@"* foo
+  * bar
+  
+  baz", options: new NormalizeOptions() { DefaultListItemCharacter = '*' });
+        }
+
+        [Test]
+        public void ListUnorderedLooseMultiParagraph()
+        {
+            AssertNormalizeNoTrim(
+@"- a
+  
+  And another paragraph a
+
+- b
+  
+  And another paragraph b
+
+- c");
+        }
+
+
+        [Test]
+        public void ListOrdered()
+        {
+            AssertNormalizeNoTrim(@"1. a
+2. b
+3. c");
+        }
+
+
+        [Test]
+        public void ListOrderedAndIntended()
+        {
+            AssertNormalizeNoTrim(@"1. a
+2. b
+   - foo
+   - bar
+     a) 1234
+     b) 1324
+3. c
+4. c
+5. c
+6. c
+7. c
+8. c
+9. c
+10. c
+    - Foo
+    - Bar
+11. c
+12. c");
+        }
+
+        [Test]
+        public void HeaderAndParagraph()
+        {
+            AssertNormalizeNoTrim(@"# heading
+
+paragraph
+
+paragraph2 without newlines");
+        }
+
+
+        [Test]
+        public void QuoteBlock()
+        {
+            AssertNormalizeNoTrim(@"> test1
+> 
+> test2");
+
+            AssertNormalizeNoTrim(@"> test1
+This is a continuation
+> test2",
+                @"> test1
+> This is a continuation
+> test2"
+);
+
+            AssertNormalizeNoTrim(@"> test1
+> -foobar
+
+asdf
+
+> test2
+> -foobar sen.");
+        }
+
+        [Test]
+        public void ThematicBreak()
+        {
+            AssertNormalizeNoTrim("***\n");
+
+            AssertNormalizeNoTrim("* * *\n", "***\n");
+        }
+
+        [Test]
+        public void AutolinkInline()
+        {
+            AssertNormalizeNoTrim("This has a <auto.link.com>");
+        }
+
+        [Test]
+        public void CodeInline()
+        {
+            AssertNormalizeNoTrim("This has a `HelloWorld()` in it");
+            AssertNormalizeNoTrim(@"This has a ``Hello`World()`` in it");
+        }
+
+        [Test]
+        public void EmphasisInline()
+        {
+            AssertNormalizeNoTrim("This is a plain **paragraph**");
+            AssertNormalizeNoTrim("This is a plain *paragraph*");
+            AssertNormalizeNoTrim("This is a plain _paragraph_");
+            AssertNormalizeNoTrim("This is a plain __paragraph__");
+            AssertNormalizeNoTrim("This is a pl*ai*n **paragraph**");
+        }
+
+        [Test]
+        public void LineBreakInline()
+        {
+            AssertNormalizeNoTrim("normal\nline break");
+            AssertNormalizeNoTrim("hard  \nline break");
+            AssertNormalizeNoTrim("This is a hardline  \nAnd this is another hardline\\\nThis is standard newline");
+            AssertNormalizeNoTrim("This is a line\nWith another line\nAnd a last line");
+        }
+
+        [Test]
+        public void LinkInline()
+        {
+            AssertNormalizeNoTrim("This is a [link](http://company.com)");
+            AssertNormalizeNoTrim("This is an ![image](http://company.com)");
+
+            AssertNormalizeNoTrim(@"This is a [link](http://company.com ""Crazy Company"")");
+            AssertNormalizeNoTrim(@"This is a [link](http://company.com ""Crazy \"" Company"")");
+        }
+
+        [Test]
+        public void EscapeInline()
+        {
+            AssertNormalizeNoTrim("This is an escape \\* with another \\[");
+        }
+
+        [Test]
+        public void HtmlEntityInline()
+        {
+            AssertNormalizeNoTrim("This is a &auml; blank");
+        }
+
+        [Test]
+        public void HtmlInline()
+        {
+            AssertNormalizeNoTrim("foo <hr/> bar");
+            AssertNormalizeNoTrim(@"foo <hr foo=""bar""/> bar");
+        }
+
+
+        [Test]
+        public void SpaceBetweenNodes()
+        {
+            AssertNormalizeNoTrim("# Hello World\nFoobar is a better bar.",
+                                  "# Hello World\n\nFoobar is a better bar.");
+        }
+
+        [Test]
+        public void SpaceBetweenNodesEvenForHeadlines()
+        {
+            AssertNormalizeNoTrim("# Hello World\n## Chapter 1\nFoobar is a better bar.",
+                                  "# Hello World\n\n## Chapter 1\n\nFoobar is a better bar.");
+        }
+
+        [Test]
+        public void SpaceRemoveAtStartAndEnd()
+        {
+            AssertNormalizeNoTrim("\n\n# Hello World\n## Chapter 1\nFoobar is a better bar.\n\n",
+                                  "# Hello World\n\n## Chapter 1\n\nFoobar is a better bar.");
+        }
+
+        [Test]
+        public void SpaceShortenBetweenNodes()
+        {
+            AssertNormalizeNoTrim("# Hello World\n\n\n\nFoobar is a better bar.",
+                                  "# Hello World\n\nFoobar is a better bar.");
+        }
+
+        [Test]
+        public void BiggerSample()
+        {
+            var input = @"# Heading 1
+
+This is a paragraph
+
+This is another paragraph
+
+- This is a list item 1
+- This is a list item 2
+- This is a list item 3
+
+```C#
+This is a code block
+```
+
+> This is a quote block
+
+    This is an indented code block
+    line 2 of indented
+
+This is a last line";
+            AssertNormalizeNoTrim(input);
+        }
+
+        private static void AssertSyntax(string expected, MarkdownObject syntax)
+        {
+            var writer = new StringWriter();
+            var normalizer = new NormalizeRenderer(writer);
+            var document = new MarkdownDocument();
+            if (syntax is Block)
+            {
+                document.Add(syntax as Block);
+            }
+            else
+            {
+                throw new InvalidOperationException();
+            }
+            normalizer.Render(document);
+
+            var actual = writer.ToString();
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        public void AssertNormalizeNoTrim(string input, string expected = null, NormalizeOptions options = null)
+            => AssertNormalize(input, expected, false, options);
+
+        public void AssertNormalize(string input, string expected = null, bool trim = true, NormalizeOptions options = null)
+        {
+            expected = expected ?? input;
+            input = NormText(input, trim);
+            expected = NormText(expected, trim);
+
+            var result = Markdown.Normalize(input, options);
+            result = NormText(result, trim);
+
+            Console.WriteLine("```````````````````Source");
+            Console.WriteLine(TestParser.DisplaySpaceAndTabs(input));
+            Console.WriteLine("```````````````````Result");
+            Console.WriteLine(TestParser.DisplaySpaceAndTabs(result));
+            Console.WriteLine("```````````````````Expected");
+            Console.WriteLine(TestParser.DisplaySpaceAndTabs(expected));
+            Console.WriteLine("```````````````````");
+            Console.WriteLine();
+
+            TextAssert.AreEqual(expected, result);
+        }
+
+        private static string NormText(string text, bool trim)
+        {
+            if (trim)
+            {
+                text = text.Trim();
+            }
+            return text.Replace("\r\n", "\n").Replace('\r', '\n');
+        }
+    }
+}

src/Markdig.Tests/TestPlainText.cs

@@ -0,0 +1,17 @@
+using NUnit.Framework;
+
+namespace Markdig.Tests
+{
+    [TestFixture]
+    public class TestPlainText
+    {
+        [Test]
+        public void TestPlain()
+        {
+            var markdownText = "*Hello*, [world](http://example.com)!";
+            var expected = "Hello, world!";
+            var actual = Markdown.ToPlainText(markdownText);
+            Assert.AreEqual(expected, actual);
+        }
+    }
+}

src/Markdig.Tests/TextAssert.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;
@@ -86,7 +86,7 @@ namespace Markdig.Tests
                 //output.WriteLine();
             }
 
-            Assert.True(string.CompareOrdinal(expectedValue, actualValue) == 0, "strings are differing");
+            Assert.AreEqual(expectedValue, actualValue);
         }
 
         private static string ToSafeString(this char c)

src/Markdig/Markdig.csproj

@@ -5,7 +5,7 @@
     <Copyright>Alexandre Mutel</Copyright>
     <AssemblyTitle>Markdig</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.13.4</VersionPrefix>
+    <VersionPrefix>0.14.0</VersionPrefix>
     <Authors>Alexandre Mutel</Authors>
     <TargetFrameworks>net35;net40;portable40-net40+sl5+win8+wp8+wpa81;netstandard1.1;uap10.0</TargetFrameworks>
     <AssemblyName>Markdig</AssemblyName>
@@ -13,17 +13,13 @@
     <PackageId Condition="'$(SignAssembly)' == 'true'">Markdig.Signed</PackageId>
     <PackageTags>Markdown CommonMark md html md2html</PackageTags>
     <PackageReleaseNotes>
+&gt; 0.14.0
+- Add Markdown.ToPlainText, Add option HtmlRenderer.EnableHtmlForBlock.
+- Add Markdown.Normalize, to allow to normalize a markdown document. Add NormalizeRenderer, to render a MarkdownDocument back to markdown.
+- 
 &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>

src/Markdig/Markdown.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;
@@ -7,6 +7,7 @@ using System.Reflection;
 using Markdig.Extensions.SelfPipeline;
 using Markdig.Parsers;
 using Markdig.Renderers;
+using Markdig.Renderers.Normalize;
 using Markdig.Syntax;
 
 namespace Markdig
@@ -22,6 +23,44 @@ namespace Markdig
         public static readonly string Version = ((AssemblyFileVersionAttribute) typeof(Markdown).Assembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), false)[0]).Version;
 #endif
 
+        /// <summary>
+        /// Normalizes the specified markdown to a normalized markdown text.
+        /// </summary>
+        /// <param name="markdown">The markdown.</param>
+        /// <param name="options">The normalize options</param>
+        /// <param name="pipeline">The pipeline.</param>
+        /// <returns>A normalized markdown text.</returns>
+        public static string Normalize(string markdown, NormalizeOptions options = null, MarkdownPipeline pipeline = null)
+        {
+            var writer = new StringWriter();
+            Normalize(markdown, writer, options, pipeline);
+            return writer.ToString();
+        }
+
+        /// <summary>
+        /// Normalizes the specified markdown to a normalized markdown text.
+        /// </summary>
+        /// <param name="markdown">The markdown.</param>
+        /// <param name="writer">The destination <see cref="TextWriter"/> that will receive the result of the conversion.</param>
+        /// <param name="options">The normalize options</param>
+        /// <param name="pipeline">The pipeline.</param>
+        /// <returns>A normalized markdown text.</returns>
+        public static MarkdownDocument Normalize(string markdown, TextWriter writer, NormalizeOptions options = null, MarkdownPipeline pipeline = null)
+        {
+            pipeline = pipeline ?? new MarkdownPipelineBuilder().Build();
+            pipeline = CheckForSelfPipeline(pipeline, markdown);
+
+            // We override the renderer with our own writer
+            var renderer = new NormalizeRenderer(writer, options);
+            pipeline.Setup(renderer);
+
+            var document = Parse(markdown, pipeline);
+            renderer.Render(document);
+            writer.Flush();
+
+            return document;
+        }
+
         /// <summary>
         /// Converts a Markdown string to HTML.
         /// </summary>
@@ -119,5 +158,50 @@ namespace Markdig
             }
             return pipeline;
         }
+
+        /// <summary>
+        /// Converts a Markdown string to Plain text and output to the specified writer.
+        /// </summary>
+        /// <param name="markdown">A Markdown text.</param>
+        /// <param name="writer">The destination <see cref="TextWriter"/> that will receive the result of the conversion.</param>
+        /// <param name="pipeline">The pipeline used for the conversion.</param>
+        /// <returns>The Markdown document that has been parsed</returns>
+        /// <exception cref="System.ArgumentNullException">if reader or writer variable are null</exception>
+        public static MarkdownDocument ToPlainText(string markdown, TextWriter writer, MarkdownPipeline pipeline = null)
+        {
+            if (markdown == null) throw new ArgumentNullException(nameof(markdown));
+            if (writer == null) throw new ArgumentNullException(nameof(writer));
+            pipeline = pipeline ?? new MarkdownPipelineBuilder().Build();
+            pipeline = CheckForSelfPipeline(pipeline, markdown);
+
+            // We override the renderer with our own writer
+            var renderer = new HtmlRenderer(writer)
+            {
+                EnableHtmlForBlock = false,
+                EnableHtmlForInline = false
+            };
+            pipeline.Setup(renderer);
+
+            var document = Parse(markdown, pipeline);
+            renderer.Render(document);
+            writer.Flush();
+
+            return document;
+        }
+
+        /// <summary>
+        /// Converts a Markdown string to HTML.
+        /// </summary>
+        /// <param name="markdown">A Markdown text.</param>
+        /// <param name="pipeline">The pipeline used for the conversion.</param>
+        /// <returns>The result of the conversion</returns>
+        /// <exception cref="System.ArgumentNullException">if markdown variable is null</exception>
+        public static string ToPlainText(string markdown, MarkdownPipeline pipeline = null)
+        {
+            if (markdown == null) throw new ArgumentNullException(nameof(markdown));
+            var writer = new StringWriter();
+            ToPlainText(markdown, writer, pipeline);
+            return writer.ToString();
+        }
     }
 }

src/Markdig/Parsers/Inlines/EscapeInlineParser.cs

@@ -28,10 +28,11 @@ namespace Markdig.Parsers.Inlines
             {
                 processor.Inline = new LiteralInline()
                 {
-                    Content = new StringSlice(new string(c, 1)),
+                    Content = new StringSlice(slice.Text, slice.Start, slice.Start),
                     Span = { Start = processor.GetSourcePosition(startPosition, out line, out column) },
                     Line = line,
-                    Column = column
+                    Column = column,
+                    IsFirstCharacterEscaped = true,
                 };
                 processor.Inline.Span.End = processor.Inline.Span.Start + 1;
                 slice.NextChar();
@@ -44,6 +45,7 @@ namespace Markdig.Parsers.Inlines
                 processor.Inline = new LineBreakInline()
                 {
                     IsHard = true,
+                    IsBackslash = true,
                     Span = { Start = processor.GetSourcePosition(startPosition, out line, out column) },
                     Line = line,
                     Column = column

src/Markdig/Parsers/ThematicBreakParser.cs

@@ -88,7 +88,9 @@ namespace Markdig.Parsers
             processor.NewBlocks.Push(new ThematicBreakBlock(this)
             {
                 Column = processor.Column,
-                Span = new SourceSpan(startPosition, line.End)
+                Span = new SourceSpan(startPosition, line.End),
+                ThematicChar = breakChar,
+                ThematicCharCount = breakCharCount
             });
             return BlockState.BreakDiscard;
         }

src/Markdig/Renderers/Html/CodeBlockRenderer.cs

@@ -42,29 +42,50 @@ namespace Markdig.Renderers.Html
 
                 // We are replacing the HTML attribute `language-mylang` by `mylang` only for a div block
                 // NOTE that we are allocating a closure here
-                renderer.Write("<div")
-                    .WriteAttributes(obj.TryGetAttributes(),
-                        cls => cls.StartsWith(infoPrefix) ? cls.Substring(infoPrefix.Length) : cls)
-                    .Write(">");
+
+                if (renderer.EnableHtmlForBlock)
+                {
+                    renderer.Write("<div")
+                            .WriteAttributes(obj.TryGetAttributes(),
+                                cls => cls.StartsWith(infoPrefix) ? cls.Substring(infoPrefix.Length) : cls)
+                            .Write(">");
+                }
+
                 renderer.WriteLeafRawLines(obj, true, true, true);
-                renderer.WriteLine("</div>");
+
+                if (renderer.EnableHtmlForBlock)
+                {
+                    renderer.WriteLine("</div>");
+                }
 
             }
             else
             {
-                renderer.Write("<pre");
-                if (OutputAttributesOnPre)
+                if (renderer.EnableHtmlForBlock)
                 {
-                    renderer.WriteAttributes(obj);
+                    renderer.Write("<pre");
+
+                    if (OutputAttributesOnPre)
+                    {
+                        renderer.WriteAttributes(obj);
+                    }
+
+                    renderer.Write("><code");
+
+                    if (!OutputAttributesOnPre)
+                    {
+                        renderer.WriteAttributes(obj);
+                    }
+
+                    renderer.Write(">");
                 }
-                renderer.Write("><code");
-                if (!OutputAttributesOnPre)
-                {
-                    renderer.WriteAttributes(obj);
-                }
-                renderer.Write(">");
+
                 renderer.WriteLeafRawLines(obj, true, true);
-                renderer.WriteLine("</code></pre>");
+
+                if (renderer.EnableHtmlForBlock)
+                {
+                    renderer.WriteLine("</code></pre>");
+                }
             }
         }
     }

src/Markdig/Renderers/Html/HeadingRenderer.cs

@@ -27,9 +27,17 @@ namespace Markdig.Renderers.Html
                 ? HeadingTexts[obj.Level - 1]
                 : "<h" + obj.Level.ToString(CultureInfo.InvariantCulture);
 
-            renderer.Write("<").Write(headingText).WriteAttributes(obj).Write(">");
+            if (renderer.EnableHtmlForBlock)
+            {
+                renderer.Write("<").Write(headingText).WriteAttributes(obj).Write(">");
+            }
+
             renderer.WriteLeafInline(obj);
-            renderer.Write("</").Write(headingText).WriteLine(">");
+
+            if (renderer.EnableHtmlForBlock)
+            {
+                renderer.Write("</").Write(headingText).WriteLine(">");
+            }
         }
     }
 }

src/Markdig/Renderers/Html/ListRenderer.cs

@@ -15,27 +15,31 @@ namespace Markdig.Renderers.Html
         protected override void Write(HtmlRenderer renderer, ListBlock listBlock)
         {
             renderer.EnsureLine();
-            if (listBlock.IsOrdered)
+            if (renderer.EnableHtmlForBlock)
             {
-                renderer.Write("<ol");
-                if (listBlock.BulletType != '1')
+                if (listBlock.IsOrdered)
                 {
-                    renderer.Write(" type=\"").Write(listBlock.BulletType).Write("\"");
-                }
+                    renderer.Write("<ol");
+                    if (listBlock.BulletType != '1')
+                    {
+                        renderer.Write(" type=\"").Write(listBlock.BulletType).Write("\"");
+                    }
 
-                if (listBlock.OrderedStart != null && (listBlock.OrderedStart != "1"))
-                {
-                    renderer.Write(" start=\"").Write(listBlock.OrderedStart).Write("\"");
+                    if (listBlock.OrderedStart != null && (listBlock.OrderedStart != "1"))
+                    {
+                        renderer.Write(" start=\"").Write(listBlock.OrderedStart).Write("\"");
+                    }
+                    renderer.WriteAttributes(listBlock);
+                    renderer.WriteLine(">");
+                }
+                else
+                {
+                    renderer.Write("<ul");
+                    renderer.WriteAttributes(listBlock);
+                    renderer.WriteLine(">");
                 }
-                renderer.WriteAttributes(listBlock);
-                renderer.WriteLine(">");
-            }
-            else
-            {
-                renderer.Write("<ul");
-                renderer.WriteAttributes(listBlock);
-                renderer.WriteLine(">");
             }
+
             foreach (var item in listBlock)
             {
                 var listItem = (ListItemBlock)item;
@@ -43,13 +47,25 @@ namespace Markdig.Renderers.Html
                 renderer.ImplicitParagraph = !listBlock.IsLoose;
 
                 renderer.EnsureLine();
-                renderer.Write("<li").WriteAttributes(listItem).Write(">");
+                if (renderer.EnableHtmlForBlock)
+                {
+                    renderer.Write("<li").WriteAttributes(listItem).Write(">");
+                }
+
                 renderer.WriteChildren(listItem);
-                renderer.WriteLine("</li>");
+
+                if (renderer.EnableHtmlForBlock)
+                {
+                    renderer.WriteLine("</li>");
+                }
 
                 renderer.ImplicitParagraph = previousImplicit;
             }
-            renderer.WriteLine(listBlock.IsOrdered ? "</ol>" : "</ul>");
+
+            if (renderer.EnableHtmlForBlock)
+            {
+                renderer.WriteLine(listBlock.IsOrdered ? "</ol>" : "</ul>");
+            }
         }
     }
 }

src/Markdig/Renderers/Html/ParagraphRenderer.cs

@@ -13,16 +13,17 @@ namespace Markdig.Renderers.Html
     {
         protected override void Write(HtmlRenderer renderer, ParagraphBlock obj)
         {
-            if (!renderer.ImplicitParagraph)
+            if (!renderer.ImplicitParagraph && renderer.EnableHtmlForBlock)
             {
                 if (!renderer.IsFirstInContainer)
                 {
                     renderer.EnsureLine();
                 }
+
                 renderer.Write("<p").WriteAttributes(obj).Write(">");
             }
             renderer.WriteLeafInline(obj);
-            if (!renderer.ImplicitParagraph)
+            if (!renderer.ImplicitParagraph && renderer.EnableHtmlForBlock)
             {
                 renderer.WriteLine("</p>");
             }

src/Markdig/Renderers/Html/QuoteBlockRenderer.cs

@@ -14,12 +14,18 @@ namespace Markdig.Renderers.Html
         protected override void Write(HtmlRenderer renderer, QuoteBlock obj)
         {
             renderer.EnsureLine();
-            renderer.Write("<blockquote").WriteAttributes(obj).WriteLine(">");
+            if (renderer.EnableHtmlForBlock)
+            {
+                renderer.Write("<blockquote").WriteAttributes(obj).WriteLine(">");
+            }
             var savedImplicitParagraph = renderer.ImplicitParagraph;
             renderer.ImplicitParagraph = false;
             renderer.WriteChildren(obj);
             renderer.ImplicitParagraph = savedImplicitParagraph;
-            renderer.WriteLine("</blockquote>");
+            if (renderer.EnableHtmlForBlock)
+            {
+                renderer.WriteLine("</blockquote>");
+            }
         }
     }
 }

src/Markdig/Renderers/Html/ThematicBreakRenderer.cs

@@ -13,7 +13,10 @@ namespace Markdig.Renderers.Html
     {
         protected override void Write(HtmlRenderer renderer, ThematicBreakBlock obj)
         {
-            renderer.Write("<hr").WriteAttributes(obj).WriteLine(" />");
+            if (renderer.EnableHtmlForBlock)
+            {
+                renderer.Write("<hr").WriteAttributes(obj).WriteLine(" />");
+            }
         }
     }
 }

src/Markdig/Renderers/HtmlRenderer.cs

@@ -45,18 +45,27 @@ namespace Markdig.Renderers
             ObjectRenderers.Add(new LinkInlineRenderer());
             ObjectRenderers.Add(new LiteralInlineRenderer());
 
+            EnableHtmlForBlock = true;
             EnableHtmlForInline = true;
             EnableHtmlEscape = true;
         }
 
         /// <summary>
-        /// Gets or sets a value indicating whether to ouput HTML tags when rendering. See remarks.
+        /// Gets or sets a value indicating whether to output HTML tags when rendering. See remarks.
         /// </summary>
         /// <remarks>
-        /// This is used by some renderers to disable HTML tags when rendering some inlines (for image links).
+        /// This is used by some renderers to disable HTML tags when rendering some inline elements (for image links).
         /// </remarks>
         public bool EnableHtmlForInline { get; set; }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether to output HTML tags when rendering. See remarks.
+        /// </summary>
+        /// <remarks>
+        /// This is used by some renderers to disable HTML tags when rendering some block elements (for image links).
+        /// </remarks>
+        public bool EnableHtmlForBlock { get; set; }
+
         public bool EnableHtmlEscape { get; set; }
 
         /// <summary>

src/Markdig/Renderers/Normalize/CodeBlockRenderer.cs

@@ -0,0 +1,55 @@
+// 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.Renderers.Html;
+using Markdig.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// An Normalize renderer for a <see cref="CodeBlock"/> and <see cref="FencedCodeBlock"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.CodeBlock}" />
+    public class CodeBlockRenderer : NormalizeObjectRenderer<CodeBlock>
+    {
+        public bool OutputAttributesOnPre { get; set; }
+
+        protected override void Write(NormalizeRenderer renderer, CodeBlock obj)
+        {
+            var fencedCodeBlock = obj as FencedCodeBlock;
+            if (fencedCodeBlock != null)
+            {
+                var opening = new string(fencedCodeBlock.FencedChar, fencedCodeBlock.FencedCharCount);
+                renderer.Write(opening);
+                if (fencedCodeBlock.Info != null)
+                {
+                    renderer.Write(fencedCodeBlock.Info);
+                }
+                if (!string.IsNullOrEmpty(fencedCodeBlock.Arguments))
+                {
+                    renderer.Write(" ").Write(fencedCodeBlock.Arguments);
+                }
+
+                /* TODO do we need this causes a empty space and would render html attributes to markdown.
+                var attributes = obj.TryGetAttributes();
+                if (attributes != null)
+                {
+                    renderer.Write(" ");
+                    renderer.Write(attributes);
+                }
+                */
+                renderer.WriteLine();
+
+                renderer.WriteLeafRawLines(obj, true);
+                renderer.Write(opening);
+            }
+            else
+            {
+                renderer.WriteLeafRawLines(obj, false, true);
+            }
+
+            renderer.FinishBlock(renderer.Options.EmptyLineAfterCodeBlock);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/HeadingRenderer.cs

@@ -0,0 +1,36 @@
+// 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.Globalization;
+using Markdig.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// An Normalize renderer for a <see cref="HeadingBlock"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.HeadingBlock}" />
+    public class HeadingRenderer : NormalizeObjectRenderer<HeadingBlock>
+    {
+        private static readonly string[] HeadingTexts = {
+            "#",
+            "##",
+            "###",
+            "####",
+            "#####",
+            "######",
+        };
+
+        protected override void Write(NormalizeRenderer renderer, HeadingBlock obj)
+        {
+            var headingText = obj.Level > 0 && obj.Level <= 6
+                ? HeadingTexts[obj.Level - 1]
+                : new string('#', obj.Level);
+
+            renderer.Write(headingText).Write(' ');
+            renderer.WriteLeafInline(obj);
+
+            renderer.FinishBlock(renderer.Options.EmptyLineAfterHeading);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/AutolinkInlineRenderer.cs

@@ -0,0 +1,19 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for an <see cref="AutolinkInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.AutolinkInline}" />
+    public class AutolinkInlineRenderer : NormalizeObjectRenderer<AutolinkInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, AutolinkInline obj)
+        {
+            renderer.Write('<').Write(obj.Url).Write('>');
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/CodeInlineRenderer.cs

@@ -0,0 +1,23 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="CodeInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.CodeInline}" />
+    public class CodeInlineRenderer : NormalizeObjectRenderer<CodeInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, CodeInline obj)
+        {
+            var delimiter = obj.Content.Contains(obj.Delimiter + "") ? new string(obj.Delimiter, 2) : obj.Delimiter + "";
+
+            renderer.Write(delimiter);
+            renderer.Write(obj.Content);
+            renderer.Write(delimiter);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/DelimiterInlineRenderer.cs

@@ -0,0 +1,20 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="DelimiterInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.DelimiterInline}" />
+    public class DelimiterInlineRenderer : NormalizeObjectRenderer<DelimiterInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, DelimiterInline obj)
+        {
+            renderer.Write(obj.ToLiteral());
+            renderer.WriteChildren(obj);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/EmphasisInlineRenderer.cs

@@ -0,0 +1,22 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for an <see cref="EmphasisInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.EmphasisInline}" />
+    public class EmphasisInlineRenderer : NormalizeObjectRenderer<EmphasisInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, EmphasisInline obj)
+        {
+            var emphasisText = new string(obj.DelimiterChar, obj.IsDouble ? 2 : 1);
+            renderer.Write(emphasisText);
+            renderer.WriteChildren(obj);
+            renderer.Write(emphasisText);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/LineBreakInlineRenderer.cs

@@ -0,0 +1,28 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="LineBreakInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.LineBreakInline}" />
+    public class LineBreakInlineRenderer : NormalizeObjectRenderer<LineBreakInline>
+    {
+        /// <summary>
+        /// Gets or sets a value indicating whether to render this softline break as a Normalize hardline break tag (&lt;br /&gt;)
+        /// </summary>
+        public bool RenderAsHardlineBreak { get; set; }
+
+        protected override void Write(NormalizeRenderer renderer, LineBreakInline obj)
+        {
+            if (obj.IsHard)
+            {
+                renderer.Write(obj.IsBackslash ? "\\" : "  ");
+            }
+            renderer.WriteLine();
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/LinkInlineRenderer.cs

@@ -0,0 +1,38 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="LinkInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.LinkInline}" />
+    public class LinkInlineRenderer : NormalizeObjectRenderer<LinkInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, LinkInline link)
+        {
+            if (link.IsImage)
+            {
+                renderer.Write('!');
+            }
+            renderer.Write('[');
+            renderer.WriteChildren(link);
+            renderer.Write(']');
+            if (!string.IsNullOrEmpty(link.Url))
+            {
+                renderer.Write('(').Write(link.Url);
+
+                if (!string.IsNullOrEmpty(link.Title))
+                {
+                    renderer.Write(" \"");
+                    renderer.Write(link.Title.Replace(@"""", @"\"""));
+                    renderer.Write("\"");
+                }
+
+                renderer.Write(')');
+            }
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/LiteralInlineRenderer.cs

@@ -0,0 +1,25 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="LiteralInline"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.Inlines.LiteralInline}" />
+    public class LiteralInlineRenderer : NormalizeObjectRenderer<LiteralInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, LiteralInline obj)
+        {
+            if (obj.IsFirstCharacterEscaped && obj.Content.Length > 0 && obj.Content[obj.Content.Start].IsAsciiPunctuation())
+            {
+                renderer.Write('\\');
+            }
+            renderer.Write(ref obj.Content);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/NormalizeHtmlEntityInlineRenderer.cs

@@ -0,0 +1,18 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="HtmlEntityInline"/>.
+    /// </summary>
+    public class NormalizeHtmlEntityInlineRenderer : NormalizeObjectRenderer<HtmlEntityInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, HtmlEntityInline obj)
+        {
+            renderer.Write(obj.Original);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/Inlines/NormalizeHtmlInlineRenderer.cs

@@ -0,0 +1,18 @@
+// 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.Syntax.Inlines;
+
+namespace Markdig.Renderers.Normalize.Inlines
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="HtmlInline"/>.
+    /// </summary>
+    public class NormalizeHtmlInlineRenderer : NormalizeObjectRenderer<HtmlInline>
+    {
+        protected override void Write(NormalizeRenderer renderer, HtmlInline obj)
+        {
+            renderer.Write(obj.Tag);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/ListRenderer.cs

@@ -0,0 +1,93 @@
+// 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.Globalization;
+using Markdig.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="ListBlock"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.ListBlock}" />
+    public class ListRenderer : NormalizeObjectRenderer<ListBlock>
+    {
+        protected override void Write(NormalizeRenderer renderer, ListBlock listBlock)
+        {
+            renderer.EnsureLine();
+            var compact = renderer.CompactParagraph;
+            renderer.CompactParagraph = !listBlock.IsLoose;
+            if (listBlock.IsOrdered)
+            {
+                int index = 0;
+                if (listBlock.OrderedStart != null)
+                {
+                    switch (listBlock.BulletType)
+                    {
+                        case '1':
+                            int.TryParse(listBlock.OrderedStart, out index);
+                            break;
+                    }
+                }
+                for (var i = 0; i < listBlock.Count; i++)
+                {
+                    var item = listBlock[i];
+                    var listItem = (ListItemBlock) item;
+                    renderer.EnsureLine();
+
+                    renderer.Write(index.ToString(CultureInfo.InvariantCulture));
+                    renderer.Write(listBlock.OrderedDelimiter);
+                    renderer.Write(' ');
+                    renderer.PushIndent(new string(' ', IntLog10Fast(index) + 3));
+                    renderer.WriteChildren(listItem);
+                    renderer.PopIndent();
+                    switch (listBlock.BulletType)
+                    {
+                        case '1':
+                            index++;
+                            break;
+                    }
+                    if (i + 1 < listBlock.Count && listBlock.IsLoose)
+                    {
+                        renderer.EnsureLine();
+                        renderer.WriteLine();
+                    }
+                }
+            }
+            else
+            {
+                for (var i = 0; i < listBlock.Count; i++)
+                {
+                    var item = listBlock[i];
+                    var listItem = (ListItemBlock) item;
+                    renderer.EnsureLine();
+                    renderer.Write(renderer.Options.DefaultListItemCharacter);
+                    renderer.Write(' ');
+                    renderer.PushIndent("  ");
+                    renderer.WriteChildren(listItem);
+                    renderer.PopIndent();
+                    if (i + 1 < listBlock.Count && listBlock.IsLoose)
+                    {
+                        renderer.EnsureLine();
+                        renderer.WriteLine();
+                    }
+                }
+            }
+            renderer.CompactParagraph = compact;
+
+            renderer.FinishBlock(true);
+        }
+
+
+        private static int IntLog10Fast(int input) =>
+            (input < 10) ? 0 :
+            (input < 100) ? 1 :
+            (input < 1000) ? 2 :
+            (input < 10000) ? 3 :
+            (input < 100000) ? 4 :
+            (input < 1000000) ? 5 :
+            (input < 10000000) ? 6 :
+            (input < 100000000) ? 7 :
+            (input < 1000000000) ? 8 : 9;
+    }
+}

src/Markdig/Renderers/Normalize/NormalizeObjectRenderer.cs

@@ -0,0 +1,16 @@
+// 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.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// A base class for Normalize rendering <see cref="Block"/> and <see cref="Markdig.Syntax.Inlines.Inline"/> Markdown objects.
+    /// </summary>
+    /// <typeparam name="TObject">The type of the object.</typeparam>
+    /// <seealso cref="Markdig.Renderers.IMarkdownObjectRenderer" />
+    public abstract class NormalizeObjectRenderer<TObject> : MarkdownObjectRenderer<NormalizeRenderer, TObject> where TObject : MarkdownObject
+    {
+    }
+}

src/Markdig/Renderers/Normalize/NormalizeOptions.cs

@@ -0,0 +1,48 @@
+// 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.Renderers.Normalize
+{
+    /// <summary>
+    /// Defines the options used by <see cref="NormalizeRenderer"/>
+    /// </summary>
+    public class NormalizeOptions
+    {
+        /// <summary>
+        /// Initialize a new instance of <see cref="NormalizeOptions"/>
+        /// </summary>
+        public NormalizeOptions()
+        {
+            SpaceAfterQuoteBlock = true;
+            EmptyLineAfterCodeBlock = true;
+            EmptyLineAfterHeading = true;
+            EmptyLineAfterThematicBreak = true;
+            DefaultListItemCharacter = '-';
+        }
+
+        /// <summary>
+        /// Adds a space after a QuoteBlock &gt;. Default is <c>true</c>
+        /// </summary>
+        public bool SpaceAfterQuoteBlock { get; set; }
+
+        /// <summary>
+        /// Adds an empty line after a code block (fenced and tabbed). Default is <c>true</c>
+        /// </summary>
+        public bool EmptyLineAfterCodeBlock { get; set; }
+
+        /// <summary>
+        /// Adds an empty line after an heading. Default is <c>true</c>
+        /// </summary>
+        public bool EmptyLineAfterHeading { get; set; }
+
+        /// <summary>
+        /// Adds an empty line after an thematic break. Default is <c>true</c>
+        /// </summary>
+        public bool EmptyLineAfterThematicBreak { get; set; }
+
+        /// <summary>
+        /// The bullet character used for list items. Default is <c>-</c>
+        /// </summary>
+        public char DefaultListItemCharacter { get; set; }
+    }
+}

src/Markdig/Renderers/Normalize/NormalizeRenderer.cs

@@ -0,0 +1,163 @@
+// 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.IO;
+using System.Runtime.CompilerServices;
+using System.Text;
+using Markdig.Helpers;
+using Markdig.Renderers.Html;
+using Markdig.Syntax;
+using Markdig.Renderers.Normalize.Inlines;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// Default HTML renderer for a Markdown <see cref="MarkdownDocument"/> object.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.TextRendererBase{Markdig.Renderers.Normalize.NormalizeRenderer}" />
+    public class NormalizeRenderer : TextRendererBase<NormalizeRenderer>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NormalizeRenderer"/> class.
+        /// </summary>
+        /// <param name="writer">The writer.</param>
+        /// <param name="options">The normalize options</param>
+        public NormalizeRenderer(TextWriter writer, NormalizeOptions options = null) : base(writer)
+        {
+            Options = options ?? new NormalizeOptions();
+            // Default block renderers
+            ObjectRenderers.Add(new CodeBlockRenderer());
+            ObjectRenderers.Add(new ListRenderer());
+            ObjectRenderers.Add(new HeadingRenderer());
+            ObjectRenderers.Add(new HtmlBlockRenderer());
+            ObjectRenderers.Add(new ParagraphRenderer());
+            ObjectRenderers.Add(new QuoteBlockRenderer());
+            ObjectRenderers.Add(new ThematicBreakRenderer());
+
+            // Default inline renderers
+            ObjectRenderers.Add(new AutolinkInlineRenderer());
+            ObjectRenderers.Add(new CodeInlineRenderer());
+            ObjectRenderers.Add(new DelimiterInlineRenderer());
+            ObjectRenderers.Add(new EmphasisInlineRenderer());
+            ObjectRenderers.Add(new LineBreakInlineRenderer());
+            ObjectRenderers.Add(new NormalizeHtmlInlineRenderer());
+            ObjectRenderers.Add(new NormalizeHtmlEntityInlineRenderer());            
+            ObjectRenderers.Add(new LinkInlineRenderer());
+            ObjectRenderers.Add(new LiteralInlineRenderer());
+        }
+
+        public NormalizeOptions Options { get; }
+
+        public bool CompactParagraph { get; set; }
+
+        public void FinishBlock(bool emptyLine)
+        {
+            if (!IsLastInContainer)
+            {
+                WriteLine();
+                if (emptyLine)
+                {
+                    WriteLine();
+                }
+            }
+        }
+
+        ///// <summary>
+        ///// Writes the attached <see cref="HtmlAttributes"/> on the specified <see cref="MarkdownObject"/>.
+        ///// </summary>
+        ///// <param name="obj">The object.</param>
+        ///// <returns></returns>
+        //public NormalizeRenderer WriteAttributes(MarkdownObject obj)
+        //{
+        //    if (obj == null) throw new ArgumentNullException(nameof(obj));
+        //    return WriteAttributes(obj.TryGetAttributes());
+        //}
+
+        ///// <summary>
+        ///// Writes the specified <see cref="HtmlAttributes"/>.
+        ///// </summary>
+        ///// <param name="attributes">The attributes to render.</param>
+        ///// <returns>This instance</returns>
+        //public NormalizeRenderer WriteAttributes(HtmlAttributes attributes)
+        //{
+        //    if (attributes == null)
+        //    {
+        //        return this;
+        //    }
+
+        //    if (attributes.Id != null)
+        //    {
+        //        Write(" id=\"").WriteEscape(attributes.Id).Write("\"");
+        //    }
+
+        //    if (attributes.Classes != null && attributes.Classes.Count > 0)
+        //    {
+        //        Write(" class=\"");
+        //        for (int i = 0; i < attributes.Classes.Count; i++)
+        //        {
+        //            var cssClass = attributes.Classes[i];
+        //            if (i > 0)
+        //            {
+        //                Write(" ");
+        //            }
+        //            WriteEscape(cssClass);
+        //        }
+        //        Write("\"");
+        //    }
+
+        //    if (attributes.Properties != null && attributes.Properties.Count > 0)
+        //    {
+        //        foreach (var property in attributes.Properties)
+        //        {
+        //            Write(" ").Write(property.Key);
+        //            if (property.Value != null)
+        //            {
+        //                Write("=").Write("\"");
+        //                WriteEscape(property.Value);
+        //                Write("\"");
+        //            }
+        //        }
+        //    }
+
+        //    return this;
+        //}
+
+        /// <summary>
+        /// Writes the lines of a <see cref="LeafBlock"/>
+        /// </summary>
+        /// <param name="leafBlock">The leaf block.</param>
+        /// <param name="writeEndOfLines">if set to <c>true</c> write end of lines.</param>
+        /// <returns>This instance</returns>
+        public NormalizeRenderer WriteLeafRawLines(LeafBlock leafBlock, bool writeEndOfLines, bool indent = false)
+        {
+            if (leafBlock == null) throw new ArgumentNullException(nameof(leafBlock));
+            if (leafBlock.Lines.Lines != null)
+            {
+                var lines = leafBlock.Lines;
+                var slices = lines.Lines;
+                for (int i = 0; i < lines.Count; i++)
+                {
+                    if (!writeEndOfLines && i > 0)
+                    {
+                        WriteLine();
+                    }
+
+                    if (indent)
+                    {
+                        Write("    ");
+                    }
+
+                    Write(ref slices[i].Slice);
+
+                    if (writeEndOfLines)
+                    {
+                        WriteLine();
+                    }
+                }
+            }
+            return this;
+        }
+   }
+}

src/Markdig/Renderers/Normalize/ParagraphRenderer.cs

@@ -0,0 +1,20 @@
+// 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.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="ParagraphBlock"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.ParagraphBlock}" />
+    public class ParagraphRenderer : NormalizeObjectRenderer<ParagraphBlock>
+    {
+        protected override void Write(NormalizeRenderer renderer, ParagraphBlock obj)
+        {
+            renderer.WriteLeafInline(obj);
+            renderer.FinishBlock(!renderer.CompactParagraph);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/QuoteBlockRenderer.cs

@@ -0,0 +1,24 @@
+// 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.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="QuoteBlock"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.QuoteBlock}" />
+    public class QuoteBlockRenderer : NormalizeObjectRenderer<QuoteBlock>
+    {
+        protected override void Write(NormalizeRenderer renderer, QuoteBlock obj)
+        {
+            var quoteIndent = renderer.Options.SpaceAfterQuoteBlock ? obj.QuoteChar + " " : obj.QuoteChar.ToString();
+            renderer.PushIndent(quoteIndent);
+            renderer.WriteChildren(obj);
+            renderer.PopIndent();
+
+            renderer.FinishBlock(true);
+        }
+    }
+}

src/Markdig/Renderers/Normalize/ThematicBreakRenderer.cs

@@ -0,0 +1,21 @@
+// 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.Syntax;
+
+namespace Markdig.Renderers.Normalize
+{
+    /// <summary>
+    /// A Normalize renderer for a <see cref="ThematicBreakBlock"/>.
+    /// </summary>
+    /// <seealso cref="Markdig.Renderers.Normalize.NormalizeObjectRenderer{Markdig.Syntax.ThematicBreakBlock}" />
+    public class ThematicBreakRenderer : NormalizeObjectRenderer<ThematicBreakBlock>
+    {
+        protected override void Write(NormalizeRenderer renderer, ThematicBreakBlock obj)
+        {
+            renderer.WriteLine(new string(obj.ThematicChar, obj.ThematicCharCount));
+
+            renderer.FinishBlock(renderer.Options.EmptyLineAfterThematicBreak);
+        }
+    }
+}

src/Markdig/Renderers/TextRendererBase.cs

@@ -2,6 +2,7 @@
 // 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.Runtime.CompilerServices;
 using Markdig.Helpers;
@@ -70,6 +71,7 @@ namespace Markdig.Renderers
     {
         private bool previousWasLine;
         private char[] buffer;
+        private readonly List<string> indents;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="TextRendererBase{T}"/> class.
@@ -80,6 +82,7 @@ namespace Markdig.Renderers
             buffer = new char[1024];
             // We assume that we are starting as if we had previously a newline
             previousWasLine = true;
+            indents = new List<string>();
         }
 
         /// <summary>
@@ -95,6 +98,31 @@ namespace Markdig.Renderers
             return (T)this;
         }
 
+        public void PushIndent(string indent)
+        {
+            if (indent == null) throw new ArgumentNullException(nameof(indent));
+            indents.Add(indent);
+        }
+
+        public void PopIndent()
+        {
+            // TODO: Check
+            indents.RemoveAt(indents.Count - 1);
+        }
+
+        private void WriteIndent()
+        {
+            if (previousWasLine)
+            {
+                previousWasLine = false;
+                for (int i = 0; i < indents.Count; i++)
+                {
+                    Writer.Write(indents[i]);
+                }
+            }
+        }
+
+
         /// <summary>
         /// Writes the specified content.
         /// </summary>
@@ -103,6 +131,7 @@ namespace Markdig.Renderers
         [MethodImpl(MethodImplOptionPortable.AggressiveInlining)]
         public T Write(string content)
         {
+            WriteIndent();
             previousWasLine = false;
             Writer.Write(content);
             return (T) this;
@@ -142,6 +171,7 @@ namespace Markdig.Renderers
         [MethodImpl(MethodImplOptionPortable.AggressiveInlining)]
         public T Write(char content)
         {
+            WriteIndent();
             previousWasLine = content == '\n';
             Writer.Write(content);
             return (T) this;
@@ -161,6 +191,7 @@ namespace Markdig.Renderers
                 return (T) this;
             }
 
+            WriteIndent();
             previousWasLine = false;
             if (offset == 0 && content.Length == length)
             {
@@ -189,6 +220,7 @@ namespace Markdig.Renderers
         [MethodImpl(MethodImplOptionPortable.AggressiveInlining)]
         public T WriteLine()
         {
+            WriteIndent();
             Writer.WriteLine();
             previousWasLine = true;
             return (T) this;
@@ -202,6 +234,7 @@ namespace Markdig.Renderers
         [MethodImpl(MethodImplOptionPortable.AggressiveInlining)]
         public T WriteLine(string content)
         {
+            WriteIndent();
             previousWasLine = true;
             Writer.WriteLine(content);
             return (T) this;

src/Markdig/Syntax/Inlines/LineBreakInline.cs

@@ -10,5 +10,7 @@ namespace Markdig.Syntax.Inlines
     public class LineBreakInline : LeafInline
     {
         public bool IsHard { get; set; }
+
+        public bool IsBackslash { get; set; }
     }
 }

src/Markdig/Syntax/Inlines/LiteralInline.cs

@@ -48,6 +48,11 @@ namespace Markdig.Syntax.Inlines
         /// </summary>
         public StringSlice Content;
 
+        /// <summary>
+        /// A boolean indicating whether the first character of this literal is escaped by `\`.
+        /// </summary>
+        public bool IsFirstCharacterEscaped { get; set; }
+
         public override string ToString()
         {
             return Content.ToString();

src/Markdig/Syntax/ThematicBreakBlock.cs

@@ -17,5 +17,9 @@ namespace Markdig.Syntax
         public ThematicBreakBlock(BlockParser parser) : base(parser)
         {
         }
+
+        public char ThematicChar { get; set; }
+
+        public int ThematicCharCount { get; set; }
     }
 }