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Code

Inline code

Use the <code> tag to denote snippets of code. Any angle brackets will need escaping with &lt; and &gt;.

var foo = 'bar'; 
<code>var foo = 'bar';</code>

Code block

Use the <pre> tag to denote multiple lines of code, or where formatting need to be preserved. Any angle brackets will need escaping with &lt; and &gt;.

Use .bsk-pre-scrollable to fix the height of code block and add horizontal scrolling.

var foo = 'bar';
var baz = foo;

<pre>
var foo = 'bar';
var baz = foo;
</pre>

Variables

Use the <var> tag for indicating variables.

e = mc2 
<var>e</var> = <var>m</var><var>c</var><sup>2</sup>

User input

Use the <kbd> tag to indicate keys a user should press.

Type ls to list he contents of the current directory. 
Type <kbd>ls</kbd> to list he contents of the current directory.

Sample output

Use the <samp> tag for indicating the output of a program.

Hello World! 
<samp>Hello World!</samp>