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  <title>CodeMirror: YAML front matter mode</title>
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  <article>
  <h2>YAML front matter mode</h2>
  <form><textarea id="code" name="code">
  ---
  receipt:     Oz-Ware Purchase Invoice
  date:        2007-08-06
  customer:
      given:   Dorothy
      family:  Gale
  
  items:
      - part_no:   A4786
        descrip:   Water Bucket (Filled)
        price:     1.47
        quantity:  4
  
      - part_no:   E1628
        descrip:   High Heeled "Ruby" Slippers
        size:       8
        price:     100.27
        quantity:  1
  
  bill-to:  &id001
      street: |
              123 Tornado Alley
              Suite 16
      city:   East Centerville
      state:  KS
  
  ship-to:  *id001
  
  specialDelivery:  >
      Follow the Yellow Brick
      Road to the Emerald City.
      Pay no attention to the
      man behind the curtain.
  ---
  
  GitHub Flavored Markdown
  ========================
  
  Everything from markdown plus GFM features:
  
  ## URL autolinking
  
  Underscores_are_allowed_between_words.
  
  ## Strikethrough text
  
  GFM adds syntax to strikethrough text, which is missing from standard Markdown.
  
  ~~Mistaken text.~~
  ~~**works with other formatting**~~
  
  ~~spans across
  lines~~
  
  ## Fenced code blocks (and syntax highlighting)
  
  ```javascript
  for (var i = 0; i &lt; items.length; i++) {
      console.log(items[i], i); // log them
  }
  ```
  
  ## Task Lists
  
  - [ ] Incomplete task list item
  - [x] **Completed** task list item
  
  ## A bit of GitHub spice
  
  * SHA: be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
  * User@SHA ref: mojombo@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
  * User/Project@SHA: mojombo/god@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
  * \#Num: #1
  * User/#Num: mojombo#1
  * User/Project#Num: mojombo/god#1
  
  See http://github.github.com/github-flavored-markdown/.
  </textarea></form>
  
  <p>Defines a mode that parses
  a <a href="http://jekyllrb.com/docs/frontmatter/">YAML frontmatter</a>
  at the start of a file, switching to a base mode at the end of that.
  Takes a mode configuration option <code>base</code> to configure the
  base mode, which defaults to <code>"gfm"</code>.</p>
  
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