<!DOCTYPE html> <html lang="en" > <head> <meta charset="utf-8"> <title>Wide characters around line break</title> <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'> <link rel='help' href='https://drafts.csswg.org/css-text-3/#line-break-transform'> <meta name="assert" content="If the East Asian Width property of both the character before and after the line feed is W and neither side is Hangul, then the segment break is removed."> <style type='text/css'> /* the CSS below is not part of the test */ .test span { font-size: 24px; font-family: sans-serif; background-color:#2AA5F7; color: white; } .ref span { font-size: 24px; font-family: sans-serif; background-color:#270CEF; color: white; } </style> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <div id='log'></div> <div id='test1' class="test"><span>日本語 中国话</span></div> <div id='test2' class="test"><span>日本語    中国话</span></div> <div id='test3' class="test"><span>日本語         中国话</span></div> <div id='test4' class="test"><span>日本語         中国话</span></div> <div id='test5' class="test"><span>日本語 中国话</span></div> <div id='test6' class="test"><span>日本語              中国话</span></div> <div id="ref" class="ref"><span>日本語中国话</span></div> <script> test(function() { assert_equals(document.getElementById('test1').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth); }, "linebreak only"); test(function() { assert_equals(document.getElementById('test2').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth); }, "spaces linebreak"); test(function() { assert_equals(document.getElementById('test3').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth); }, "linebreak spaces"); test(function() { assert_equals(document.getElementById('test4').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth); }, "spaces linebreak spaces"); test(function() { assert_equals(document.getElementById('test5').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth); }, "multiple linebreaks"); test(function() { assert_equals(document.getElementById('test6').firstChild.offsetWidth, document.getElementById('ref').firstChild.offsetWidth); }, "multiple linebreaks + spaces"); </script> <!-- Notes: The assertion will fail if space is produced for any line in the test paragraph. --> </body> </html>