<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head><title>Hyphenation test</title></head> <!-- check that hyphens:none prevents break at ­ --> <body xml:lang="en-us"> <div style="width: 5em; hyphens: none;"> su­per­cal­ifrag­ilis­tic­ex­pi­ali­do­cious </div> </body> </html>