Changes

**<code> &lt;pre&gt; &lt;/pre&gt;</code>to add preformatted text, that is displayed in a fixed-width font, and it preserves both spaces and line breaks.**<code> &lt;i&gt; &lt;/i&gt;</code>usually displays text in ''italics''.**<code> &lt;b&gt; &lt;/b&gt;</code>shows '''bold''' text**<code> &lt;u&gt; &lt;/u&gt;</code>Underline a misspelled word**<code> &lt;em&gt; &lt;/em&gt;</code>It renders as emphasized text.**<code> &lt;strong&gt;</code> It defines important text.