Bidirectional override
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Bidirectional override</title> </head> <body> <p>A passage of text containing one <em lang="en" xml:lang="en"><bdo dir="rtl">reversed</bdo></em> word.</p> </body> </html>