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```lang-none
Code...
```
# No syntax highlighting
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```javascript
var s = "JavaScript syntax highlighting";
alert(s);
```
```
No language indicated, so no syntax highlighting.
But let's throw in a <b>tag</b>.
```
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```
{
"firstName": "John",
"lastName": "Smith",
"age": 25
}
```
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```ruby
require 'redcarpet'
markdown = Redcarpet.new("Hello World!")
puts markdown.to_html
```