From Fedora Project Wiki
Wiki Markup In Publican
{Package|(packagename)} <package>(packagename)</package>
<code> (text) </code> <code> (text) </code>
<guimenu>
<guilabel>
<command>
<filename>
<keycap>
<systemitem>
(lines with leading spaces) <screen> ( multiple lines ) </screen>
<computeroutput> (output text) <computeroutput>