Fix consecutive footnotes without blanklines between (issue #26)

src/Markdig.Tests/Markdig.Tests.csproj

@@ -59,6 +59,7 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Specs.tt</DependentUpon>
     </Compile>
+    <Compile Include="TestHtmlAttributes.cs" />
     <Compile Include="TestHtmlHelper.cs" />
     <Compile Include="TestLineReader.cs" />
     <Compile Include="TestLinkHelper.cs" />

src/Markdig.Tests/Specs/EmojiSpecs.md

@@ -11,3 +11,11 @@ This is a test with a :) and a :angry: smiley
 .
 <p>This is a test with a 😃 and a 😠 smiley</p>
 ````````````````````````````````
+
+An emoji needs to be preceded by a space and followed by a space:
+
+```````````````````````````````` example
+These are not:) an :)emoji with a:) x:angry:x
+.
+<p>These are not:) an :)emoji with a:) x:angry:x</p>
+````````````````````````````````

src/Markdig.Tests/Specs/FootnotesSpecs.md

@@ -61,3 +61,60 @@ multi-paragraph list items.<a href="#fnref:3" class="footnote-back-ref">&#8617;<
 </div>
 ````````````````````````````````
 
+Check with mulitple consecutive footnotes:
+
+```````````````````````````````` example
+Here is a footnote[^1]. And another one[^2]. And a third one[^3]. And a fourth[^4].
+
+[^1]: Footnote 1 text
+
+[^2]: Footnote 2 text
+
+a
+
+[^3]: Footnote 3 text
+
+[^4]: Footnote 4 text
+.
+<p>Here is a footnote<a id="fnref:1" href="#fn:1" class="footnote-ref"><sup>1</sup></a>. And another one<a id="fnref:2" href="#fn:2" class="footnote-ref"><sup>2</sup></a>. And a third one<a id="fnref:3" href="#fn:3" class="footnote-ref"><sup>3</sup></a>. And a fourth<a id="fnref:4" href="#fn:4" class="footnote-ref"><sup>4</sup></a>.</p>
+<p>a</p>
+<div class="footnotes">
+<hr />
+<ol>
+<li id="fn:1">
+<p>Footnote 1 text<a href="#fnref:1" class="footnote-back-ref">&#8617;</a></p></li>
+<li id="fn:2">
+<p>Footnote 2 text<a href="#fnref:2" class="footnote-back-ref">&#8617;</a></p></li>
+<li id="fn:3">
+<p>Footnote 3 text<a href="#fnref:3" class="footnote-back-ref">&#8617;</a></p></li>
+<li id="fn:4">
+<p>Footnote 4 text<a href="#fnref:4" class="footnote-back-ref">&#8617;</a></p></li>
+</ol>
+</div>
+````````````````````````````````
+
+Another test with consecutive footnotes without a blank line separator:
+
+```````````````````````````````` example
+Here is a footnote[^1]. And another one[^2]. And a third one[^3]. And a fourth[^4].
+
+[^1]: Footnote 1 text
+[^2]: Footnote 2 text
+[^3]: Footnote 3 text
+[^4]: Footnote 4 text
+.
+<p>Here is a footnote<a id="fnref:1" href="#fn:1" class="footnote-ref"><sup>1</sup></a>. And another one<a id="fnref:2" href="#fn:2" class="footnote-ref"><sup>2</sup></a>. And a third one<a id="fnref:3" href="#fn:3" class="footnote-ref"><sup>3</sup></a>. And a fourth<a id="fnref:4" href="#fn:4" class="footnote-ref"><sup>4</sup></a>.</p>
+<div class="footnotes">
+<hr />
+<ol>
+<li id="fn:1">
+<p>Footnote 1 text<a href="#fnref:1" class="footnote-back-ref">&#8617;</a></p></li>
+<li id="fn:2">
+<p>Footnote 2 text<a href="#fnref:2" class="footnote-back-ref">&#8617;</a></p></li>
+<li id="fn:3">
+<p>Footnote 3 text<a href="#fnref:3" class="footnote-back-ref">&#8617;</a></p></li>
+<li id="fn:4">
+<p>Footnote 4 text<a href="#fnref:4" class="footnote-back-ref">&#8617;</a></p></li>
+</ol>
+</div>
+````````````````````````````````

src/Markdig.Tests/Specs/SmartyPantsSpecs.md

@@ -83,29 +83,6 @@ They are' not matching 'quotes
 .
 <p>They are' not matching 'quotes</p>
 ````````````````````````````````
-
-Double quotes using ``` `` ``` are working if they match another `''` pair, and there is no other double quotes on the line (otherwise they would be parsed as a code span):
-
-```````````````````````````````` example
-This is ``a double quote''
-.
-<p>This is &ldquo;a double quote&rdquo;</p>
-````````````````````````````````
-
-```````````````````````````````` example
-This is ``a code span''`` 
-.
-<p>This is <code>a code span''</code></p>
-````````````````````````````````
-
-```````````````````````````````` example
-hello ``there```
-test
-.
-<p>hello &ldquo;there&rdquo;`
-test</p>
-````````````````````````````````
-
 An emphasis starting inside left/right quotes will span over the right quote:
 
 ```````````````````````````````` example

src/Markdig.Tests/Specs/Specs.cs

@@ -3811,6 +3811,7 @@ namespace Markdig.Tests
             //     main :: IO ()
             //     main = print $ parseTags tags
             //     </code></pre>
+            //     okay
             //
             // Should be rendered as:
             //     <pre language="haskell"><code>
@@ -3819,9 +3820,10 @@ namespace Markdig.Tests
             //     main :: IO ()
             //     main = print $ parseTags tags
             //     </code></pre>
+            //     <p>okay</p>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 134, "Leaf blocks HTML blocks");
-			TestParser.TestSpec("<pre language=\"haskell\"><code>\nimport Text.HTML.TagSoup\n\nmain :: IO ()\nmain = print $ parseTags tags\n</code></pre>", "<pre language=\"haskell\"><code>\nimport Text.HTML.TagSoup\n\nmain :: IO ()\nmain = print $ parseTags tags\n</code></pre>", "");
+			TestParser.TestSpec("<pre language=\"haskell\"><code>\nimport Text.HTML.TagSoup\n\nmain :: IO ()\nmain = print $ parseTags tags\n</code></pre>\nokay", "<pre language=\"haskell\"><code>\nimport Text.HTML.TagSoup\n\nmain :: IO ()\nmain = print $ parseTags tags\n</code></pre>\n<p>okay</p>", "");
         }
     }
         // A script tag (type 1):
@@ -3840,6 +3842,7 @@ namespace Markdig.Tests
             //     
             //     document.getElementById("demo").innerHTML = "Hello JavaScript!";
             //     </script>
+            //     okay
             //
             // Should be rendered as:
             //     <script type="text/javascript">
@@ -3847,9 +3850,10 @@ namespace Markdig.Tests
             //     
             //     document.getElementById("demo").innerHTML = "Hello JavaScript!";
             //     </script>
+            //     <p>okay</p>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 135, "Leaf blocks HTML blocks");
-			TestParser.TestSpec("<script type=\"text/javascript\">\n// JavaScript example\n\ndocument.getElementById(\"demo\").innerHTML = \"Hello JavaScript!\";\n</script>", "<script type=\"text/javascript\">\n// JavaScript example\n\ndocument.getElementById(\"demo\").innerHTML = \"Hello JavaScript!\";\n</script>", "");
+			TestParser.TestSpec("<script type=\"text/javascript\">\n// JavaScript example\n\ndocument.getElementById(\"demo\").innerHTML = \"Hello JavaScript!\";\n</script>\nokay", "<script type=\"text/javascript\">\n// JavaScript example\n\ndocument.getElementById(\"demo\").innerHTML = \"Hello JavaScript!\";\n</script>\n<p>okay</p>", "");
         }
     }
         // A style tag (type 1):
@@ -3869,6 +3873,7 @@ namespace Markdig.Tests
             //     
             //     p {color:blue;}
             //     </style>
+            //     okay
             //
             // Should be rendered as:
             //     <style
@@ -3877,9 +3882,10 @@ namespace Markdig.Tests
             //     
             //     p {color:blue;}
             //     </style>
+            //     <p>okay</p>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 136, "Leaf blocks HTML blocks");
-			TestParser.TestSpec("<style\n  type=\"text/css\">\nh1 {color:red;}\n\np {color:blue;}\n</style>", "<style\n  type=\"text/css\">\nh1 {color:red;}\n\np {color:blue;}\n</style>", "");
+			TestParser.TestSpec("<style\n  type=\"text/css\">\nh1 {color:red;}\n\np {color:blue;}\n</style>\nokay", "<style\n  type=\"text/css\">\nh1 {color:red;}\n\np {color:blue;}\n</style>\n<p>okay</p>", "");
         }
     }
         // If there is no matching end tag, the block will end at the
@@ -4044,15 +4050,17 @@ namespace Markdig.Tests
             //     
             //     bar
             //        baz -->
+            //     okay
             //
             // Should be rendered as:
             //     <!-- Foo
             //     
             //     bar
             //        baz -->
+            //     <p>okay</p>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 143, "Leaf blocks HTML blocks");
-			TestParser.TestSpec("<!-- Foo\n\nbar\n   baz -->", "<!-- Foo\n\nbar\n   baz -->", "");
+			TestParser.TestSpec("<!-- Foo\n\nbar\n   baz -->\nokay", "<!-- Foo\n\nbar\n   baz -->\n<p>okay</p>", "");
         }
     }
         // A processing instruction (type 3):
@@ -4071,6 +4079,7 @@ namespace Markdig.Tests
             //       echo '>';
             //     
             //     ?>
+            //     okay
             //
             // Should be rendered as:
             //     <?php
@@ -4078,9 +4087,10 @@ namespace Markdig.Tests
             //       echo '>';
             //     
             //     ?>
+            //     <p>okay</p>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 144, "Leaf blocks HTML blocks");
-			TestParser.TestSpec("<?php\n\n  echo '>';\n\n?>", "<?php\n\n  echo '>';\n\n?>", "");
+			TestParser.TestSpec("<?php\n\n  echo '>';\n\n?>\nokay", "<?php\n\n  echo '>';\n\n?>\n<p>okay</p>", "");
         }
     }
         // A declaration (type 4):
@@ -4126,6 +4136,7 @@ namespace Markdig.Tests
             //       }
             //     }
             //     ]]>
+            //     okay
             //
             // Should be rendered as:
             //     <![CDATA[
@@ -4140,9 +4151,10 @@ namespace Markdig.Tests
             //       }
             //     }
             //     ]]>
+            //     <p>okay</p>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 146, "Leaf blocks HTML blocks");
-			TestParser.TestSpec("<![CDATA[\nfunction matchwo(a,b)\n{\n  if (a < b && a < 0) then {\n    return 1;\n\n  } else {\n\n    return 0;\n  }\n}\n]]>", "<![CDATA[\nfunction matchwo(a,b)\n{\n  if (a < b && a < 0) then {\n    return 1;\n\n  } else {\n\n    return 0;\n  }\n}\n]]>", "");
+			TestParser.TestSpec("<![CDATA[\nfunction matchwo(a,b)\n{\n  if (a < b && a < 0) then {\n    return 1;\n\n  } else {\n\n    return 0;\n  }\n}\n]]>\nokay", "<![CDATA[\nfunction matchwo(a,b)\n{\n  if (a < b && a < 0) then {\n    return 1;\n\n  } else {\n\n    return 0;\n  }\n}\n]]>\n<p>okay</p>", "");
         }
     }
         // The opening tag can be indented 1-3 spaces, but not 4:
@@ -5387,8 +5399,8 @@ namespace Markdig.Tests
 			TestParser.TestSpec("    > # Foo\n    > bar\n    > baz", "<pre><code>&gt; # Foo\n&gt; bar\n&gt; baz\n</code></pre>", "");
         }
     }
-        // The Laziness clause allows us to omit the `>` before a
-        // paragraph continuation line:
+        // The Laziness clause allows us to omit the `>` before
+        // [paragraph continuation text]:
     [TestFixture]
     public partial class TestContainerblocksBlockquotes
     {
@@ -5561,8 +5573,8 @@ namespace Markdig.Tests
 			TestParser.TestSpec("> ```\nfoo\n```", "<blockquote>\n<pre><code></code></pre>\n</blockquote>\n<p>foo</p>\n<pre><code></code></pre>", "");
         }
     }
-        // Note that in the following case, we have a paragraph
-        // continuation line:
+        // Note that in the following case, we have a [lazy
+        // continuation line]:
     [TestFixture]
     public partial class TestContainerblocksBlockquotes
     {
@@ -5595,7 +5607,7 @@ namespace Markdig.Tests
         //
         // the `- bar` is indented too far to start a list, and can't
         // be an indented code block because indented code blocks cannot
-        // interrupt paragraphs, so it is a [paragraph continuation line].
+        // interrupt paragraphs, so it is [paragraph continuation text].
         //
         // A block quote can be empty:
     [TestFixture]
@@ -7286,6 +7298,7 @@ namespace Markdig.Tests
             //     - foo
             //       - bar
             //         - baz
+            //           - boo
             //
             // Should be rendered as:
             //     <ul>
@@ -7293,7 +7306,11 @@ namespace Markdig.Tests
             //     <ul>
             //     <li>bar
             //     <ul>
-            //     <li>baz</li>
+            //     <li>baz
+            //     <ul>
+            //     <li>boo</li>
+            //     </ul>
+            //     </li>
             //     </ul>
             //     </li>
             //     </ul>
@@ -7301,7 +7318,7 @@ namespace Markdig.Tests
             //     </ul>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 254, "Container blocks List items");
-			TestParser.TestSpec("- foo\n  - bar\n    - baz", "<ul>\n<li>foo\n<ul>\n<li>bar\n<ul>\n<li>baz</li>\n</ul>\n</li>\n</ul>\n</li>\n</ul>", "");
+			TestParser.TestSpec("- foo\n  - bar\n    - baz\n      - boo", "<ul>\n<li>foo\n<ul>\n<li>bar\n<ul>\n<li>baz\n<ul>\n<li>boo</li>\n</ul>\n</li>\n</ul>\n</li>\n</ul>\n</li>\n</ul>", "");
         }
     }
         // One is not enough:
@@ -7318,16 +7335,18 @@ namespace Markdig.Tests
             //     - foo
             //      - bar
             //       - baz
+            //        - boo
             //
             // Should be rendered as:
             //     <ul>
             //     <li>foo</li>
             //     <li>bar</li>
             //     <li>baz</li>
+            //     <li>boo</li>
             //     </ul>
 
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 255, "Container blocks List items");
-			TestParser.TestSpec("- foo\n - bar\n  - baz", "<ul>\n<li>foo</li>\n<li>bar</li>\n<li>baz</li>\n</ul>", "");
+			TestParser.TestSpec("- foo\n - bar\n  - baz\n   - boo", "<ul>\n<li>foo</li>\n<li>bar</li>\n<li>baz</li>\n<li>boo</li>\n</ul>", "");
         }
     }
         // Here we need four, because the list marker is wider:
@@ -13868,7 +13887,7 @@ namespace Markdig.Tests
         // [link reference definition] elsewhere in the
         // document and is not followed by `[]` or a link label.
         // The contents of the first link label are parsed as inlines,
-        // which are used as the link's text.  the link's URI and title
+        // which are used as the link's text.  The link's URI and title
         // are provided by the matching link reference definition.
         // Thus, `[foo]` is equivalent to `[foo][]`.
     [TestFixture]
@@ -17103,6 +17122,88 @@ namespace Markdig.Tests
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 1, "Extensions Footontes");
 			TestParser.TestSpec("Here is a footnote reference,[^1] and another.[^longnote]\n\nThis is another reference to [^1]\n\n[^1]: Here is the footnote.\n\nAnd another reference to [^longnote]\n\n[^longnote]: Here's one with multiple blocks.\n\n    Subsequent paragraphs are indented to show that they\nbelong to the previous footnote.\n\n    > This is a block quote\n    > Inside a footnote\n\n        { some.code }\n\n    The whole paragraph can be indented, or just the first\n    line.  In this way, multi-paragraph footnotes work like\n    multi-paragraph list items.\n\nThis paragraph won't be part of the note, because it\nisn't indented.", "<p>Here is a footnote reference,<a id=\"fnref:1\" href=\"#fn:1\" class=\"footnote-ref\"><sup>1</sup></a> and another.<a id=\"fnref:3\" href=\"#fn:2\" class=\"footnote-ref\"><sup>2</sup></a></p>\n<p>This is another reference to <a id=\"fnref:2\" href=\"#fn:1\" class=\"footnote-ref\"><sup>1</sup></a></p>\n<p>And another reference to <a id=\"fnref:4\" href=\"#fn:2\" class=\"footnote-ref\"><sup>2</sup></a></p>\n<p>This paragraph won't be part of the note, because it\nisn't indented.</p>\n<div class=\"footnotes\">\n<hr />\n<ol>\n<li id=\"fn:1\">\n<p>Here is the footnote.<a href=\"#fnref:1\" class=\"footnote-back-ref\">&#8617;</a><a href=\"#fnref:2\" class=\"footnote-back-ref\">&#8617;</a></p>\n</li>\n<li id=\"fn:2\">\n<p>Here's one with multiple blocks.</p>\n<p>Subsequent paragraphs are indented to show that they\nbelong to the previous footnote.</p>\n<blockquote>\n<p>This is a block quote\nInside a footnote</p>\n</blockquote>\n<pre><code>{ some.code }\n</code></pre>\n<p>The whole paragraph can be indented, or just the first\nline.  In this way, multi-paragraph footnotes work like\nmulti-paragraph list items.<a href=\"#fnref:3\" class=\"footnote-back-ref\">&#8617;</a><a href=\"#fnref:4\" class=\"footnote-back-ref\">&#8617;</a></p>\n</li>\n</ol>\n</div>", "footnotes");
         }
+    }
+        // Check with mulitple consecutive footnotes:
+    [TestFixture]
+    public partial class TestExtensionsFootontes
+    {
+        [Test]
+        public void Example002()
+        {
+            // Example 2
+            // Section: Extensions Footontes
+            //
+            // The following CommonMark:
+            //     Here is a footnote[^1]. And another one[^2]. And a third one[^3]. And a fourth[^4].
+            //     
+            //     [^1]: Footnote 1 text
+            //     
+            //     [^2]: Footnote 2 text
+            //     
+            //     a
+            //     
+            //     [^3]: Footnote 3 text
+            //     
+            //     [^4]: Footnote 4 text
+            //
+            // Should be rendered as:
+            //     <p>Here is a footnote<a id="fnref:1" href="#fn:1" class="footnote-ref"><sup>1</sup></a>. And another one<a id="fnref:2" href="#fn:2" class="footnote-ref"><sup>2</sup></a>. And a third one<a id="fnref:3" href="#fn:3" class="footnote-ref"><sup>3</sup></a>. And a fourth<a id="fnref:4" href="#fn:4" class="footnote-ref"><sup>4</sup></a>.</p>
+            //     <p>a</p>
+            //     <div class="footnotes">
+            //     <hr />
+            //     <ol>
+            //     <li id="fn:1">
+            //     <p>Footnote 1 text<a href="#fnref:1" class="footnote-back-ref">&#8617;</a></p></li>
+            //     <li id="fn:2">
+            //     <p>Footnote 2 text<a href="#fnref:2" class="footnote-back-ref">&#8617;</a></p></li>
+            //     <li id="fn:3">
+            //     <p>Footnote 3 text<a href="#fnref:3" class="footnote-back-ref">&#8617;</a></p></li>
+            //     <li id="fn:4">
+            //     <p>Footnote 4 text<a href="#fnref:4" class="footnote-back-ref">&#8617;</a></p></li>
+            //     </ol>
+            //     </div>
+
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 2, "Extensions Footontes");
+			TestParser.TestSpec("Here is a footnote[^1]. And another one[^2]. And a third one[^3]. And a fourth[^4].\n\n[^1]: Footnote 1 text\n\n[^2]: Footnote 2 text\n\na\n\n[^3]: Footnote 3 text\n\n[^4]: Footnote 4 text", "<p>Here is a footnote<a id=\"fnref:1\" href=\"#fn:1\" class=\"footnote-ref\"><sup>1</sup></a>. And another one<a id=\"fnref:2\" href=\"#fn:2\" class=\"footnote-ref\"><sup>2</sup></a>. And a third one<a id=\"fnref:3\" href=\"#fn:3\" class=\"footnote-ref\"><sup>3</sup></a>. And a fourth<a id=\"fnref:4\" href=\"#fn:4\" class=\"footnote-ref\"><sup>4</sup></a>.</p>\n<p>a</p>\n<div class=\"footnotes\">\n<hr />\n<ol>\n<li id=\"fn:1\">\n<p>Footnote 1 text<a href=\"#fnref:1\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n<li id=\"fn:2\">\n<p>Footnote 2 text<a href=\"#fnref:2\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n<li id=\"fn:3\">\n<p>Footnote 3 text<a href=\"#fnref:3\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n<li id=\"fn:4\">\n<p>Footnote 4 text<a href=\"#fnref:4\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n</ol>\n</div>", "footnotes");
+        }
+    }
+        // Another test with consecutive footnotes without a blank line separator:
+    [TestFixture]
+    public partial class TestExtensionsFootontes
+    {
+        [Test]
+        public void Example003()
+        {
+            // Example 3
+            // Section: Extensions Footontes
+            //
+            // The following CommonMark:
+            //     Here is a footnote[^1]. And another one[^2]. And a third one[^3]. And a fourth[^4].
+            //     
+            //     [^1]: Footnote 1 text
+            //     [^2]: Footnote 2 text
+            //     [^3]: Footnote 3 text
+            //     [^4]: Footnote 4 text
+            //
+            // Should be rendered as:
+            //     <p>Here is a footnote<a id="fnref:1" href="#fn:1" class="footnote-ref"><sup>1</sup></a>. And another one<a id="fnref:2" href="#fn:2" class="footnote-ref"><sup>2</sup></a>. And a third one<a id="fnref:3" href="#fn:3" class="footnote-ref"><sup>3</sup></a>. And a fourth<a id="fnref:4" href="#fn:4" class="footnote-ref"><sup>4</sup></a>.</p>
+            //     <div class="footnotes">
+            //     <hr />
+            //     <ol>
+            //     <li id="fn:1">
+            //     <p>Footnote 1 text<a href="#fnref:1" class="footnote-back-ref">&#8617;</a></p></li>
+            //     <li id="fn:2">
+            //     <p>Footnote 2 text<a href="#fnref:2" class="footnote-back-ref">&#8617;</a></p></li>
+            //     <li id="fn:3">
+            //     <p>Footnote 3 text<a href="#fnref:3" class="footnote-back-ref">&#8617;</a></p></li>
+            //     <li id="fn:4">
+            //     <p>Footnote 4 text<a href="#fnref:4" class="footnote-back-ref">&#8617;</a></p></li>
+            //     </ol>
+            //     </div>
+
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 3, "Extensions Footontes");
+			TestParser.TestSpec("Here is a footnote[^1]. And another one[^2]. And a third one[^3]. And a fourth[^4].\n\n[^1]: Footnote 1 text\n[^2]: Footnote 2 text\n[^3]: Footnote 3 text\n[^4]: Footnote 4 text", "<p>Here is a footnote<a id=\"fnref:1\" href=\"#fn:1\" class=\"footnote-ref\"><sup>1</sup></a>. And another one<a id=\"fnref:2\" href=\"#fn:2\" class=\"footnote-ref\"><sup>2</sup></a>. And a third one<a id=\"fnref:3\" href=\"#fn:3\" class=\"footnote-ref\"><sup>3</sup></a>. And a fourth<a id=\"fnref:4\" href=\"#fn:4\" class=\"footnote-ref\"><sup>4</sup></a>.</p>\n<div class=\"footnotes\">\n<hr />\n<ol>\n<li id=\"fn:1\">\n<p>Footnote 1 text<a href=\"#fnref:1\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n<li id=\"fn:2\">\n<p>Footnote 2 text<a href=\"#fnref:2\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n<li id=\"fn:3\">\n<p>Footnote 3 text<a href=\"#fnref:3\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n<li id=\"fn:4\">\n<p>Footnote 4 text<a href=\"#fnref:4\" class=\"footnote-back-ref\">&#8617;</a></p></li>\n</ol>\n</div>", "footnotes");
+        }
     }
         // # Extensions
         //
@@ -17978,6 +18079,26 @@ namespace Markdig.Tests
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 1, "Extensions Emoji");
 			TestParser.TestSpec("This is a test with a :) and a :angry: smiley", "<p>This is a test with a 😃 and a 😠 smiley</p>", "emojis");
         }
+    }
+        // An emoji needs to be preceded by a space and followed by a space:
+    [TestFixture]
+    public partial class TestExtensionsEmoji
+    {
+        [Test]
+        public void Example002()
+        {
+            // Example 2
+            // Section: Extensions Emoji
+            //
+            // The following CommonMark:
+            //     These are not:) an :)emoji with a:) x:angry:x
+            //
+            // Should be rendered as:
+            //     <p>These are not:) an :)emoji with a:) x:angry:x</p>
+
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 2, "Extensions Emoji");
+			TestParser.TestSpec("These are not:) an :)emoji with a:) x:angry:x", "<p>These are not:) an :)emoji with a:) x:angry:x</p>", "emojis");
+        }
     }
         // # Extensions
         //
@@ -18937,7 +19058,7 @@ namespace Markdig.Tests
 			TestParser.TestSpec("They are' not matching 'quotes", "<p>They are' not matching 'quotes</p>", "smartypants");
         }
     }
-        // Double quotes using ``` `` ``` are working if they match another `''` pair, and there is no other double quotes on the line (otherwise they would be parsed as a code span):
+        // An emphasis starting inside left/right quotes will span over the right quote:
     [TestFixture]
     public partial class TestExtensionsSmartyPantsQuotes
     {
@@ -18948,72 +19069,12 @@ namespace Markdig.Tests
             // Section: Extensions SmartyPants Quotes
             //
             // The following CommonMark:
-            //     This is ``a double quote''
-            //
-            // Should be rendered as:
-            //     <p>This is &ldquo;a double quote&rdquo;</p>
-
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 13, "Extensions SmartyPants Quotes");
-			TestParser.TestSpec("This is ``a double quote''", "<p>This is &ldquo;a double quote&rdquo;</p>", "smartypants");
-        }
-    }
-    [TestFixture]
-    public partial class TestExtensionsSmartyPantsQuotes
-    {
-        [Test]
-        public void Example014()
-        {
-            // Example 14
-            // Section: Extensions SmartyPants Quotes
-            //
-            // The following CommonMark:
-            //     This is ``a code span''`` 
-            //
-            // Should be rendered as:
-            //     <p>This is <code>a code span''</code></p>
-
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 14, "Extensions SmartyPants Quotes");
-			TestParser.TestSpec("This is ``a code span''`` ", "<p>This is <code>a code span''</code></p>", "smartypants");
-        }
-    }
-    [TestFixture]
-    public partial class TestExtensionsSmartyPantsQuotes
-    {
-        [Test]
-        public void Example015()
-        {
-            // Example 15
-            // Section: Extensions SmartyPants Quotes
-            //
-            // The following CommonMark:
-            //     hello ``there```
-            //     test
-            //
-            // Should be rendered as:
-            //     <p>hello &ldquo;there&rdquo;`
-            //     test</p>
-
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 15, "Extensions SmartyPants Quotes");
-			TestParser.TestSpec("hello ``there```\ntest", "<p>hello &ldquo;there&rdquo;`\ntest</p>", "smartypants");
-        }
-    }
-        // An emphasis starting inside left/right quotes will span over the right quote:
-    [TestFixture]
-    public partial class TestExtensionsSmartyPantsQuotes
-    {
-        [Test]
-        public void Example016()
-        {
-            // Example 16
-            // Section: Extensions SmartyPants Quotes
-            //
-            // The following CommonMark:
             //     This is "a *text" with an emphasis*
             //
             // Should be rendered as:
             //     <p>This is &ldquo;a <em>text&rdquo; with an emphasis</em></p>
 
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 16, "Extensions SmartyPants Quotes");
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 13, "Extensions SmartyPants Quotes");
 			TestParser.TestSpec("This is \"a *text\" with an emphasis*", "<p>This is &ldquo;a <em>text&rdquo; with an emphasis</em></p>", "smartypants");
         }
     }
@@ -19022,9 +19083,9 @@ namespace Markdig.Tests
     public partial class TestExtensionsSmartyPantsSeparators
     {
         [Test]
-        public void Example017()
+        public void Example014()
         {
-            // Example 17
+            // Example 14
             // Section: Extensions SmartyPants Separators
             //
             // The following CommonMark:
@@ -19033,7 +19094,7 @@ namespace Markdig.Tests
             // Should be rendered as:
             //     <p>This is a &ndash; text</p>
 
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 17, "Extensions SmartyPants Separators");
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 14, "Extensions SmartyPants Separators");
 			TestParser.TestSpec("This is a -- text", "<p>This is a &ndash; text</p>", "smartypants");
         }
     }
@@ -19041,9 +19102,9 @@ namespace Markdig.Tests
     public partial class TestExtensionsSmartyPantsSeparators
     {
         [Test]
-        public void Example018()
+        public void Example015()
         {
-            // Example 18
+            // Example 15
             // Section: Extensions SmartyPants Separators
             //
             // The following CommonMark:
@@ -19052,7 +19113,7 @@ namespace Markdig.Tests
             // Should be rendered as:
             //     <p>This is a &mdash; text</p>
 
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 18, "Extensions SmartyPants Separators");
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 15, "Extensions SmartyPants Separators");
 			TestParser.TestSpec("This is a --- text", "<p>This is a &mdash; text</p>", "smartypants");
         }
     }
@@ -19060,9 +19121,9 @@ namespace Markdig.Tests
     public partial class TestExtensionsSmartyPantsSeparators
     {
         [Test]
-        public void Example019()
+        public void Example016()
         {
-            // Example 19
+            // Example 16
             // Section: Extensions SmartyPants Separators
             //
             // The following CommonMark:
@@ -19071,7 +19132,7 @@ namespace Markdig.Tests
             // Should be rendered as:
             //     <p>This is a en ellipsis&hellip;</p>
 
-            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 19, "Extensions SmartyPants Separators");
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 16, "Extensions SmartyPants Separators");
 			TestParser.TestSpec("This is a en ellipsis...", "<p>This is a en ellipsis&hellip;</p>", "smartypants");
         }
     }

src/Markdig.Tests/TestHtmlAttributes.cs

@@ -0,0 +1,96 @@
+// 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 NUnit.Framework;
+using System.Collections.Generic;
+
+namespace Markdig.Tests
+{
+    [TestFixture()]
+    public class TestHtmlAttributes
+    {
+        [Test]
+        public void TestAddClass()
+        {
+            var attributes = new HtmlAttributes();
+            attributes.AddClass("test");
+            Assert.NotNull(attributes.Classes);
+            Assert.AreEqual(new List<string>() { "test" }, attributes.Classes);
+
+            attributes.AddClass("test");
+            Assert.AreEqual(1, attributes.Classes.Count);
+
+            attributes.AddClass("test1");
+            Assert.AreEqual(new List<string>() { "test", "test1" }, attributes.Classes);
+        }
+
+        [Test]
+        public void TestAddProperty()
+        {
+            var attributes = new HtmlAttributes();
+            attributes.AddProperty("key1", "1");
+            Assert.NotNull(attributes.Properties);
+            Assert.AreEqual(new List<KeyValuePair<string, string>>() { new KeyValuePair<string, string>("key1", "1") }, attributes.Properties);
+
+            attributes.AddPropertyIfNotExist("key1", "1");
+            Assert.NotNull(attributes.Properties);
+            Assert.AreEqual(new List<KeyValuePair<string, string>>() { new KeyValuePair<string, string>("key1", "1") }, attributes.Properties);
+
+            attributes.AddPropertyIfNotExist("key2", "2");
+            Assert.AreEqual(new List<KeyValuePair<string, string>>() { new KeyValuePair<string, string>("key1", "1"), new KeyValuePair<string, string>("key2", "2") }, attributes.Properties);
+        }
+
+        [Test]
+        public void TestCopyTo()
+        {
+            var from = new HtmlAttributes();
+            from.AddClass("test");
+            from.AddProperty("key1", "1");
+
+            var to = new HtmlAttributes();
+            from.CopyTo(to);
+
+            Assert.True(ReferenceEquals(from.Classes, to.Classes));
+            Assert.True(ReferenceEquals(from.Properties, to.Properties));
+
+            //          From: Classes      From: Properties     To: Classes     To: Properties
+            // test1:        null                null              null             null
+            from = new HtmlAttributes();
+            to = new HtmlAttributes();
+            from.CopyTo(to, false, false);
+            Assert.Null(to.Classes);
+            Assert.Null(to.Properties);
+
+            // test2:      ["test"]            ["key1", "1"]       null             null
+            from = new HtmlAttributes();
+            to = new HtmlAttributes();
+            from.AddClass("test");
+            from.AddProperty("key1", "1");
+            from.CopyTo(to, false, false);
+            Assert.AreEqual(new List<string>() { "test" }, to.Classes);
+            Assert.AreEqual(new List<KeyValuePair<string, string>>() { new KeyValuePair<string, string>("key1", "1")}, to.Properties);
+
+            // test3:        null                null            ["test"]       ["key1", "1"]       
+            from = new HtmlAttributes();
+            to = new HtmlAttributes();
+            to.AddClass("test");
+            to.AddProperty("key1", "1");
+            from.CopyTo(to, false, false);
+            Assert.AreEqual(new List<string>() { "test" }, to.Classes);
+            Assert.AreEqual(new List<KeyValuePair<string, string>>() { new KeyValuePair<string, string>("key1", "1") }, to.Properties);
+
+            // test4:      ["test1"]           ["key2", "2"]     ["test"]       ["key1", "1"]       
+            from = new HtmlAttributes();
+            to = new HtmlAttributes();
+            from.AddClass("test1");
+            from.AddProperty("key2", "2");
+            to.AddClass("test");
+            to.AddProperty("key1", "1");
+            from.CopyTo(to, false, false);
+            Assert.AreEqual(new List<string>() { "test", "test1" }, to.Classes);
+            Assert.AreEqual(new List<KeyValuePair<string, string>>() { new KeyValuePair<string, string>("key1", "1"), new KeyValuePair<string, string>("key2", "2") }, to.Properties);
+        }
+    }
+}

src/Markdig/Extensions/Emoji/EmojiParser.cs

@@ -67,18 +67,34 @@ namespace Markdig.Extensions.Emoji
         public override bool Match(InlineProcessor processor, ref StringSlice slice)
         {
             string match;
+
+            // Previous char must be a space
+            if (!slice.PeekCharExtra(-1).IsWhiteSpaceOrZero())
+            {
+                return false;
+            }
+
+            // Try to match an existing emoji
             var startPosition = slice.Start;
             if (!textMatchHelper.TryMatch(slice.Text, slice.Start, slice.Length, out match))
             {
                 return false;
             }
 
+            // Following char must be a space
+            if (!slice.PeekCharExtra(match.Length).IsWhiteSpaceOrZero())
+            {
+                return false;
+            }
+
+            // If we have a smiley, we decode it to emoji
             string emoji;
             if (!SmileyToEmoji.TryGetValue(match, out emoji))
             {
                 emoji = match;
             }
 
+            // Decode the eomji to unicode
             string unicode;
             if (!EmojiToUnicode.TryGetValue(emoji, out unicode))
             {

src/Markdig/Extensions/Footnotes/FootnoteParser.cs

@@ -26,9 +26,14 @@ namespace Markdig.Extensions.Footnotes
         }
 
         public override BlockState TryOpen(BlockProcessor processor)
+        {
+            return TryOpen(processor, false);
+        }
+
+        private BlockState TryOpen(BlockProcessor processor, bool isContinue)
         {
             // We expect footnote to appear only at document level and not indented more than a code indent block
-            if (processor.IsCodeIndent || processor.CurrentContainer.GetType() != typeof(MarkdownDocument) )
+            if (processor.IsCodeIndent || (!isContinue && processor.CurrentContainer.GetType() != typeof(MarkdownDocument)) || (isContinue && !(processor.CurrentContainer is Footnote)))
             {
                 return BlockState.None;
             }
@@ -42,7 +47,7 @@ namespace Markdig.Extensions.Footnotes
                 processor.GoToColumn(saved);
                 return BlockState.None;
             }
-           
+
             // Advance the column
             int deltaColumn = processor.Start - start;
             processor.Column = processor.Column + deltaColumn;
@@ -88,9 +93,23 @@ namespace Markdig.Extensions.Footnotes
                     return BlockState.ContinueDiscard;
                 }
 
-                if (footnote.IsLastLineEmpty && processor.Column == 0)
+                if (processor.Column == 0)
                 {
-                    return BlockState.Break;
+                    if (footnote.IsLastLineEmpty)
+                    {
+                        // Close the current footnote
+                        processor.Close(footnote);
+
+                        // Parse any opening footnote
+                        return TryOpen(processor);
+                    }
+
+                    // Make sure that consecutive footnotes without a blanklines are parsed correctly
+                    if (TryOpen(processor, true) == BlockState.Continue)
+                    {
+                        processor.Close(footnote);
+                        return BlockState.Continue;
+                    }
                 }
             }
             footnote.IsLastLineEmpty = false;

src/Markdig/Extensions/SmartyPants/SmartyPantsExtension.cs

@@ -28,10 +28,10 @@ namespace Markdig.Extensions.SmartyPants
 
         public void Setup(MarkdownPipelineBuilder pipeline)
         {
-            if (!pipeline.InlineParsers.Contains<SmaryPantsInlineParser>())
+            if (!pipeline.InlineParsers.Contains<SmartyPantsInlineParser>())
             {
                 // Insert the parser after the code span parser
-                pipeline.InlineParsers.InsertAfter<CodeInlineParser>(new SmaryPantsInlineParser());
+                pipeline.InlineParsers.InsertAfter<CodeInlineParser>(new SmartyPantsInlineParser());
             }
         }
 

src/Markdig/Extensions/SmartyPants/SmartyPantsInlineParser.cs

@@ -11,14 +11,14 @@ namespace Markdig.Extensions.SmartyPants
     /// <summary>
     /// The inline parser for SmartyPants.
     /// </summary>
-    public class SmaryPantsInlineParser : InlineParser
+    public class SmartyPantsInlineParser : InlineParser
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="SmaryPantsInlineParser"/> class.
+        /// Initializes a new instance of the <see cref="SmartyPantsInlineParser"/> class.
         /// </summary>
-        public SmaryPantsInlineParser()
+        public SmartyPantsInlineParser()
         {
-            OpeningCharacters = new[] {'`', '\'', '"', '<', '>', '.', '-'};
+            OpeningCharacters = new[] {'\'', '"', '<', '>', '.', '-'};
         }
 
         public override bool Match(InlineProcessor processor, ref StringSlice slice)
@@ -44,13 +44,6 @@ namespace Markdig.Extensions.SmartyPants
 
             switch (c)
             {
-                case '`':
-                    if (slice.PeekChar(1) == '`')
-                    {
-                        slice.NextChar();
-                        type = SmartyPantType.DoubleQuote; // We will resolve them at the end of parsing all inlines
-                    }
-                    break;
                 case '\'':
                     type = SmartyPantType.Quote; // We will resolve them at the end of parsing all inlines
                     if (slice.PeekChar(1) == '\'')

src/Markdig/Helpers/OrderedList.cs

@@ -101,19 +101,5 @@ namespace Markdig.Helpers
             }
             return false;
         }
-
-        public bool ReplacyBy<TElement>(T element) where TElement : T
-        {
-            if (element == null) throw new ArgumentNullException(nameof(element));
-            for (int i = 0; i < Count; i++)
-            {
-                if (this[i] is TElement)
-                {
-                    this[i] = element;
-                    return true;
-                }
-            }
-            return false;
-        }
     }
 }

src/Markdig/Properties/AssemblyInfo.cs

@@ -25,6 +25,6 @@ namespace Markdig
 {
     public static partial class Markdown
     {
-        public const string Version = "0.5.10";
+        public const string Version = "0.5.12";
     }
 }

src/Markdig/Renderers/Html/HtmlAttributes.cs

@@ -118,7 +118,7 @@ namespace Markdig.Renderers.Html
             }
             if (htmlAttributes.Classes == null)
             {
-                htmlAttributes.Classes = shared ? Classes : new List<string>(Classes);
+                htmlAttributes.Classes = shared ? Classes : Classes != null ? new List<string>(Classes) : null;
             }
             else if (Classes != null)
             {
@@ -127,7 +127,7 @@ namespace Markdig.Renderers.Html
 
             if (htmlAttributes.Properties == null)
             {
-                htmlAttributes.Properties = shared ? Properties : new List<KeyValuePair<string, string>>(Properties);
+                htmlAttributes.Properties = shared ? Properties : Properties != null ? new List<KeyValuePair<string, string>>(Properties) : null;
             }
             else if (Properties != null)
             {

src/Markdig/project.json

@@ -1,6 +1,6 @@
 {
   "title": "Markdig",
-  "version": "0.5.10",
+  "version": "0.5.12",
   "authors": [ "Alexandre Mutel" ],
   "description": "A fast, powerfull, CommonMark compliant, extensible Markdown processor for .NET",
   "copyright": "Alexandre Mutel",
@@ -11,7 +11,7 @@
     "projectUrl": "https://github.com/lunet-io/markdig",
     "iconUrl": "https://raw.githubusercontent.com/lunet-io/markdig/master/img/markdig.png",
     "requireLicenseAcceptance": false,
-    "releaseNotes": "- Fix bug with HTML blocks for end tag pre/script/style not being properly detected\n",
+    "releaseNotes": "- Fix ArgumentNullException with MediaLinks extension in HtmlAttributes.CopyTo method\n",
     "tags": [ "Markdown CommonMark md html md2html" ]
   },
   "configurations": {