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+# hello, This is Markdown Live Preview
+
+visit [markdownlivepreview.com](http://markdownlivepreview.com)
+
+----
+## what is Markdown?
+see [Wikipedia](http://en.wikipedia.org/wiki/Markdown)
+
+> Markdown is a lightweight markup language, originally created by John Gruber and Aaron Swartz allowing people "to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML)".
+
+----
+## usage
+1. Write markdown text in this textarea.
+2. Click 'HTML Preview' button.
+
+----
+## markdown quick reference
+# headers
+
+*emphasis*
+
+**strong**
+
+* list
+
+>block quote
+
+    code (4 spaces indent)
+[links](http://wikipedia.org)
+
+----
+## changelog
+* 17-Feb-2013 re-design
+* 19-May-2011 launch
+
+----
+## thanks
+* [markdown-js](https://github.com/evilstreak/markdown-js)
+