Initial commit，修正

vendor/cebe/markdown/tests/github-data/github-basics.md

@@ -0,0 +1,40 @@
+GitHub Flavored Markdown
+========================
+
+Multiple underscores in words
+-----------------------------
+
+do_this_and_do_that_and_another_thing
+
+URL autolinking
+---------------
+
+http://example.com
+
+Strikethrough
+-------------
+
+~~Mistaken text.~~
+
+Fenced code blocks
+------------------
+
+```
+function test() {
+  console.log("notice the blank line before this function?");
+}
+```
+
+Syntax highlighting
+-------------------
+
+```ruby
+require 'redcarpet'
+markdown = Redcarpet.new("Hello World!")
+puts markdown.to_html
+```
+
+~~~
+this is also code
+~~~
+