<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head><title>Hyphenation test</title></head> <!-- style changes don't break hyphenation --> <body xml:lang="en-us"> <div style="width: 0; hyphens: auto;"> hy<span style="color:red">phen</span>ation </div> </body> </html>