Base2Tone pool
A0
A2
A7
B0
B2
B7
C0
C2
C7
D0
D2
D7
HTML
<!doctype html>
<html class="no-js" lang="en">
    <head>
        <meta charset="utf-8">
        <meta http-equiv="x-ua-compatible" content="ie=edge">
        <title>Demo</title>
        <meta name="description" content="Demo">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="apple-touch-icon" href="apple-touch-icon.png">
        <!-- Place favicon.ico in the root directory -->
        <link rel="stylesheet" href="/normalize.css">
        <link rel="stylesheet" href="/main.css">
        CSS
/* comment */
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}
mark {
  background: #ff0;
  color: #000;
}
small {
  font-size: 80% !important;
}
        Sass scss
.visuallyhidden {
// Hide only visually, but have it available for screen readers:
// http://snook.ca/archives/html_and_css/hiding-content-for-accessibility
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}
.inner-wrap {
  max-width: 50em;
  margin: 0 auto;
  padding-left: emCalc(24);
  padding-right: emCalc(24);
}
@media only screen and (min-width: 550px) {
  article {
    ul {
      list-style: circle;
    }
    ol {
      list-style: decimal;
    }
  }
  .inner-wrap {
    padding-left: emCalc(48);
    padding-right: emCalc(48);
  }
}
        Javascript
/*! loadJS: load a JS file asynchronously. [c]2014 @scottjehl, Filament Group, Inc. (Based on http://goo.gl/REQGQ by Paul Irish). Licensed MIT */
(function( w ){
  var loadJS = function( src, cb ){
    "use strict";
    var ref = w.document.getElementsByTagName( "script" )[ 0 ];
    var script = w.document.createElement( "script" );
    script.src = src;
    script.async = true;
    ref.parentNode.insertBefore( script, ref );
    if (cb && typeof(cb) === "function") {
      script.onload = cb;
    }
    return script;
  };
  // commonjs
  if( typeof module !== "undefined" ){
    module.exports = loadJS;
  }
  else {
    w.loadJS = loadJS;
  }
}( typeof global !== "undefined" ? global : this )); }
function foo(bar) {
    var a = 42,
        b = 'Prism';
    return a + bar(b);
}PHP
<?php namespace App\Services;
use App\User;
use Validator;
use Illuminate\Contracts\Auth\Registrar as RegistrarContract;
class Registrar implements RegistrarContract {
  /**
   * Get a validator for an incoming registration request.
   *
   * @param  array  $data
   * @return \Illuminate\Contracts\Validation\Validator
   */
public function validator(array $data)Ruby
##
# Array ISO Test
assert('Array', '15.2.12') do
  assert_equal(Class, Array.class)
end
assert('Array inclueded modules', '15.2.12.3') do
  assert_true(Array.include?(Enumerable))
end
assert('Array.[]', '15.2.12.4.1') do
  assert_equal([1, 2, 3], Array.[](1,2,3))
endPython
class _BaseHTMLProcessor(sgmllib.SGMLParser):
    elements_no_end_tag = ['area', 'base', 'basefont', 'br', 'col', 'frame', 'hr',
      'img', 'input', 'isindex', 'link', 'meta', 'param']
    _r_barebang = re.compile(r'<!((?!DOCTYPE|--|\[))', re.IGNORECASE)
    _r_bareamp = re.compile("&(?!#\d ;|#x[0-9a-fA-F] ;|\w ;)")
    _r_shorttag = re.compile(r'<([^<\s] ?)\s*/>')
    def __init__(self, encoding):
        self.encoding = encoding
        if _debug: sys.stderr.write('entering BaseHTMLProcessor, encoding=%s\n' % self.encoding)
        sgmllib.SGMLParser.__init__(self)