Text can be formatted – in italic, bold, etc. – with “Silva markup”:

• <b>bold</b> <i>italic</i> <u>underlined</u> ^superscript _subscript
• <a href="http://www.x.yz">text</a>
• <a href="http://www.x.yz" target="target">text</a> — if ‘target’ is empty a new window opens
• <index>index item</index>
• <abbr title="full name">abbreviation</abbr>
• <acronym title="full name">acronym</acronym>
• &lt; < — &gt; >