Fix various markdown warnings

Author: matalo33

exampleSite/content/cont/markdown.en.md

@@ -25,8 +25,7 @@ Some of the key benefits are:
 John Gruber, the author of Markdown, puts it like this:
 
 > The overriding design goal for Markdown’s formatting syntax is to make it as readable as possible. The idea is that a Markdown-formatted document should be publishable as-is, as plain text, without looking like it’s been marked up with tags or formatting instructions. While Markdown’s syntax has been influenced by several existing text-to-HTML filters, the single biggest source of inspiration for Markdown’s syntax is the format of plain text email.
-> -- <cite>John Gruber</cite>
-
+> -- John Gruber
 
 Grav ships with built-in support for [Markdown](http://daringfireball.net/projects/markdown/) and [Markdown Extra](https://michelf.ca/projects/php-markdown/extra/). You must enable **Markdown Extra** in your `system.yaml` configuration file
 
@@ -50,12 +49,18 @@ Headings from `h1` through `h6` are constructed with a `#` for each level:
 ```
 
 Renders to:
-
+<!-- markdownlint-disable MD025 -->
 # h1 Heading
+<!-- markdownlint-enable MD025 -->
+
 ## h2 Heading
+
 ### h3 Heading
+
 #### h4 Heading
+
 ##### h5 Heading
+
 ###### h6 Heading
 
 HTML:
@@ -78,13 +83,13 @@ Comments should be HTML compatible
 This is a comment
 -->
 ```
+
 Comment below should **NOT** be seen:
 
 <!--
 This is a comment
 -->
 
-
 ## Horizontal Rules
 
 The HTML `<hr>` element is for creating a "thematic break" between paragraph-level elements. In markdown, you can create a `<hr>` with any of the following:
@@ -97,11 +102,6 @@ renders to:
 
 ___
 
----
-
-***
-
-
 ## Body Copy
 
 Body copy written as normal, plain text will be wrapped with `<p></p>` tags in the rendered HTML.
@@ -111,6 +111,7 @@ So this body copy:
 ```markdown
 Lorem ipsum dolor sit amet, graecis denique ei vel, at duo primis mandamus. Et legere ocurreret pri, animal tacimates complectitur ad cum. Cu eum inermis inimicus efficiendi. Labore officiis his ex, soluta officiis concludaturque ei qui, vide sensibus vim ad.
 ```
+
 renders to this HTML:
 
 ```html
@@ -120,16 +121,20 @@ renders to this HTML:
 ## Emphasis
 
 ### Bold
+
 For emphasizing a snippet of text with a heavier font-weight.
 
 The following snippet of text is **rendered as bold text**.
 
 ```markdown
 **rendered as bold text**
 ```
+
 renders to:
 
+<!-- markdownlint-disable MD036 -->
 **rendered as bold text**
+<!-- markdownlint-enable MD036 -->
 
 and this HTML
 
@@ -138,6 +143,7 @@ and this HTML
 ```
 
 ### Italics
+
 For emphasizing a snippet of text with italics.
 
 The following snippet of text is _rendered as italicized text_.
@@ -148,21 +154,24 @@ _rendered as italicized text_
 
 renders to:
 
+<!-- markdownlint-disable MD036 -->
 _rendered as italicized text_
+<!-- markdownlint-enable MD036 -->
 
 and this HTML:
 
 ```html
 <em>rendered as italicized text</em>
 ```
 
-
 ### strikethrough
+
 In GFM (GitHub flavored Markdown) you can do strikethroughs.
 
 ```markdown
 ~~Strike through this text.~~
 ```
+
 Which renders to:
 
 ~~Strike through this text.~~
@@ -219,10 +228,10 @@ Renders to:
 The old mechanism for notices overriding the block quote syntax (`>>>`) has been deprecated.  Notices are now handled via a dedicated plugin called [Markdown Notices](https://github.com/getgrav/grav-plugin-markdown-notices)
 {{% /notice %}}
 
-
 ## Lists
 
 ### Unordered
+
 A list of items in which the order of the items does not explicitly matter.
 
 You may use any of the following symbols to denote bullets for each list item:
@@ -249,8 +258,10 @@ For example
 + Aenean sit amet erat nunc
 + Eget porttitor lorem
 ```
+
 Renders to:
 
+<!-- markdownlint-disable MD004 -->
 + Lorem ipsum dolor sit amet
 + Consectetur adipiscing elit
 + Integer molestie lorem at massa
@@ -263,6 +274,7 @@ Renders to:
 + Faucibus porta lacus fringilla vel
 + Aenean sit amet erat nunc
 + Eget porttitor lorem
+<!-- markdownlint-enable MD004 -->
 
 And this HTML
 
@@ -292,14 +304,15 @@ A list of items in which the order of items does explicitly matter.
 
 ```markdown
 1. Lorem ipsum dolor sit amet
-2. Consectetur adipiscing elit
-3. Integer molestie lorem at massa
-4. Facilisis in pretium nisl aliquet
-5. Nulla volutpat aliquam velit
-6. Faucibus porta lacus fringilla vel
-7. Aenean sit amet erat nunc
-8. Eget porttitor lorem
+4. Consectetur adipiscing elit
+2. Integer molestie lorem at massa
+8. Facilisis in pretium nisl aliquet
+4. Nulla volutpat aliquam velit
+99. Faucibus porta lacus fringilla vel
+21. Aenean sit amet erat nunc
+6. Eget porttitor lorem
 ```
+
 Renders to:
 
 1. Lorem ipsum dolor sit amet
@@ -353,6 +366,7 @@ Renders to:
 ## Code
 
 ### Inline code
+
 Wrap inline snippets of code with `` ` ``.
 
 ```markdown
@@ -371,21 +385,23 @@ HTML:
 
 ### Indented code
 
-Or indent several lines of code by at least four spaces, as in:
+Or indent several lines of code by at least two spaces, as in:
 
-<pre>
-  // Some comments
-  line 1 of code
-  line 2 of code
-  line 3 of code
-</pre>
+```markdown
+    // Some comments
+    line 1 of code
+    line 2 of code
+    line 3 of code
+```
 
 Renders to:
 
+<!-- markdownlint-disable MD046 -->
     // Some comments
     line 1 of code
     line 2 of code
     line 3 of code
+<!-- markdownlint-enable MD046 -->
 
 HTML:
 
@@ -400,19 +416,11 @@ HTML:
 </pre>
 ```
 
-
 ### Block code "fences"
 
 Use "fences"  ```` ``` ```` to block in multiple lines of code.
 
-<pre>
-``` markup
-Sample text here...
-```
-</pre>
-
-
-```
+```markup
 Sample text here...
 ```
 
@@ -428,28 +436,28 @@ HTML:
 
 GFM, or "GitHub Flavored Markdown" also supports syntax highlighting. To activate it, simply add the file extension of the language you want to use directly after the first code "fence", ` ```js `, and syntax highlighting will automatically be applied in the rendered HTML. For example, to apply syntax highlighting to JavaScript code:
 
-<pre>
-```js
-grunt.initConfig({
-  assemble: {
-    options: {
-      assets: 'docs/assets',
-      data: 'src/data/*.{json,yml}',
-      helpers: 'src/custom-helpers.js',
-      partials: ['src/partials/**/*.{hbs,md}']
-    },
-    pages: {
-      options: {
-        layout: 'default.hbs'
-      },
-      files: {
-        './': ['src/templates/pages/index.hbs']
+<!-- markdownlint-disable MD046 -->
+    ```js
+    grunt.initConfig({
+      assemble: {
+        options: {
+          assets: 'docs/assets',
+          data: 'src/data/*.{json,yml}',
+          helpers: 'src/custom-helpers.js',
+          partials: ['src/partials/**/*.{hbs,md}']
+        },
+        pages: {
+          options: {
+            layout: 'default.hbs'
+          },
+          files: {
+            './': ['src/templates/pages/index.hbs']
+          }
+        }
       }
-    }
-  }
-};
-```
-</pre>
+    };
+    ```
+<!-- markdownlint-disable MD046 -->
 
 Renders to:
 
@@ -475,8 +483,8 @@ grunt.initConfig({
 ```
 
 ## Tables
-Tables are created by adding pipes as dividers between each cell, and by adding a line of dashes (also separated by bars) beneath the header. Note that the pipes do not need to be vertically aligned.
 
+Tables are created by adding pipes as dividers between each cell, and by adding a line of dashes (also separated by bars) beneath the header. Note that the pipes do not need to be vertically aligned.
 
 ```markdown
 | Option | Description |
@@ -553,8 +561,7 @@ HTML:
 <a href="http://assemble.io">Assemble</a>
 ```
 
-
-### Add a title
+### Add a tooltip
 
 ```markdown
 [Upstage](https://github.com/upstage/ "Visit Upstage!")
@@ -580,6 +587,7 @@ Named anchors enable you to jump to the specified anchor point on the same page.
   * [Chapter 2](#chapter-2)
   * [Chapter 3](#chapter-3)
 ```
+
 will jump to these sections:
 
 ```markdown
@@ -600,12 +608,15 @@ Images have a similar syntax to links but include a preceding exclamation point.
 ```markdown
 ![Minion](https://octodex.github.com/images/minion.png)
 ```
+
 ![Minion](https://octodex.github.com/images/minion.png)
 
 or
+
 ```markdown
 ![Alt text](https://octodex.github.com/images/stormtroopocat.jpg "The Stormtroopocat")
 ```
+
 ![Alt text](https://octodex.github.com/images/stormtroopocat.jpg "The Stormtroopocat")
 
 Like links, Images also have a footnote style syntax
@@ -615,6 +626,7 @@ Like links, Images also have a footnote style syntax
 ```markdown
 ![Alt text][id]
 ```
+
 ![Alt text][id]
 
 With a reference later in the document defining the URL location:
@@ -652,21 +664,24 @@ Add a HTTP `classes` parameter to the link image to add CSS classes. `shadow`and
 ```markdown
 ![stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg?classes=shadow)
 ```
+
 ![stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg?width=40pc&classes=shadow)
 
 ```markdown
 ![stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg?classes=border)
 ```
+
 ![stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg?width=40pc&classes=border)
 
 ```markdown
 ![stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg?classes=border,shadow)
 ```
+
 ![stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg?width=40pc&classes=border,shadow)
 
 ### Lightbox
 
-Add a HTTP `featherlight` parameter to the link image to disable lightbox. By default lightbox is enabled using the featherlight.js plugin. You can disable this by defining `featherlight` to `false`. 
+Add a HTTP `featherlight` parameter to the link image to disable lightbox. By default lightbox is enabled using the featherlight.js plugin. You can disable this by defining `featherlight` to `false`.
 
 ```markdown
 ![Minion](https://octodex.github.com/images/minion.png?featherlight=false)