org: Quoting HTML tags

 
 12.6.4 Quoting HTML tags
 ------------------------
 
 Plain ‘<’ and ‘>’ are always transformed to ‘&lt;’ and ‘&gt;’ in HTML
 export.  If you want to include raw HTML code, which should only appear
 in HTML export, mark it with ‘@@html:’ as in ‘@@html:<b>@@bold
 text@@html:</b>@@’.  For more extensive HTML that should be copied
 verbatim to the exported file use either
 
      #+HTML: Literal HTML code for export
 
 or
 
      #+BEGIN_HTML
      All lines between these markers are exported literally
      #+END_HTML