title: Why is 'U+' used to designate a Unicode code point?
body: <p>Why do Unicode code points appear as <strong><code>U+</code></strong><code>&lt;codepoint&gt;</code>?</p>
  
  <p>For example, <code>U+2202</code> represents the character <strong>∂</strong>.</p>
  
  <p>Why not <code>U-</code> (dash or hyphen character) or anything else?</p>