href="#SILENT">SILENT</a> (&quot;hide&quot; input lines from output)</li>
    <li><a href="#TRAP">TRAP</a> (suspend/re-invoke traps)</li>
    <li><a href="#SMARTQUOTES">SMARTQUOTES</a> (convert typewriter doublequotes to proper doublequotes)</li>
    <li><a href="#CAPS">CAPS</a> (convert to upper case)</li>
    <li><a href="#STRING">STRING</a> (user-definable strings)</li>
    <li><a href="#ESC_CHAR">ESC_CHAR</a> (change to escape character to something other than a backslash)</li>
    <li><strong>Underscor