<!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"> <head> <title>CSS Test: Parsing integer numbers with '+'</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#numbers" /> <link rel="help" href="https://www.w3.org/TR/css-values-3/#integers" /> <link rel="match" href="../reference/ref-filled-black-96px-square.xht" /> <meta name="assert" content="Integers can be preceded by '+'." /> <style type="text/css"> div { background: black; height: 0; height: +1in; width: 1in; } </style> </head> <body> <p>Test passes if there is a filled black square.</p> <div></div> </body> </html>