<!DOCTYPE html> <html lang="ja"> <meta charset="UTF-8"> <title>Line breaking between ruby and preceeding open bracket</title> <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> <link rel="author" title="Mozilla" href="https://www.mozilla.org"> <link rel="help" href="https://drafts.csswg.org/css-ruby-1/#break-between"> <link rel="match" href="ruby-line-breaking-002-ref.html"> <link rel="stylesheet" href="/fonts/ahem.css"> <link rel="stylesheet" href="support/ruby-common.css"> <div style="width: 5em; border: 1px solid silver;"> の「<ruby style="font-family: Ahem;">X<rt style="font-size: 0;"><div style="width: 21rem"></div></ruby>」 </div>