Add test cases for Gecko bug(?)
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gecko-bug/EBGaramond-Regular.woff2
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gecko-bug/EBGaramond-Regular.woff2
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gecko-bug/OpenSans-Regular.ttf
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gecko-bug/OpenSans-Regular.ttf
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gecko-bug/index.html
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gecko-bug/index.html
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<!DOCTYPE html>
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<html lang="en-GB">
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<head>
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<meta charset="utf-8" />
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<title>The Trees of Kortirion</title>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<link rel="stylesheet" href="./style.css" />
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</head>
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<body>
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<p>OpenType font features do not display on any element that shares all font properties with an element that has a property set using the ch unit.</p>
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<p>The incorrect behaviour is observed on:</p>
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<ul>
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<li>Firefox 134.0.2 on Linux</li>
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<li>Firefox 135.0 on Windows</li>
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<li>Firefox 133.0 on Android</li>
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<li>Firefox 135.0.1 on Android</li>
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</ul>
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<p>The correct behaviour is observed on:</p>
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<ul>
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<li>Firefox 135.0 on macOS 15.1</li>
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<li>Chromium 133.0.6943.54 on macOS 15.1</li>
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<li>Chromium 132.0.6834.159 on Linux</li>
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<li>Edge 132.0.2957.140 on Windows</li>
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<li>Vivaldi 7.1.3570.47 on Windows</li>
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<li>Vivaldi 7.1.3580.99 on Android</li>
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<li>Safari 18.1 (20619.2.8.11.10) on macOS 15.1</li>
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</ul>
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<div class="garamond">
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<h1>EB Garamond</h1>
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<p>The first div has a font-size of 7rem and a height of 10rem. The elongated "Q" displays correctly.</p>
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<p>The second div has a font-size of 8rem and a height of 3ch. The elongated "Q" does not display, because of the use of the ch unit.</p>
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<p>The third div has a font-size of 8rem and a height of 10rem. The elongated "Q" still does not display, because of the use of the ch unit in the second div, which has the same font-size.</p>
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<div class="testcase correct">Queen</div>
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<div class="testcase broken">Queen</div>
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<div class="testcase also-broken">Queen</div>
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</div>
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<div class="open-sans">
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<h1>Open Sans</h1>
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<p>As for the other font.</p>
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<div class="testcase correct">going</div>
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<div class="testcase broken">going</div>
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<div class="testcase also-broken">going</div>
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</div>
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</body>
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</html>
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gecko-bug/style.css
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gecko-bug/style.css
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@font-face {
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font-family: "EB Garamond";
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font-style: normal;
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font-weight: 400;
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src: url(./EBGaramond-Regular.woff2) format("woff2");
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}
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@font-face {
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font-family: "Open Sans";
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font-style: normal;
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font-weight: 400;
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src: url(./OpenSans-Regular.ttf) format("truetype");
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}
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@font-feature-values "EB Garamond" {
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@swash {
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long-q: 1;
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}
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}
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@font-feature-values "Open Sans" {
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@styleset {
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alt-g: 1;
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}
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}
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.garamond {
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font-family: "EB Garamond", serif;
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font-variant-alternates: swash(long-q);
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}
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.open-sans {
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font-family: "Open Sans", sans-serif;
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font-variant-alternates: styleset(alt-g);
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}
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.correct {
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font-size: 7rem;
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height: 10rem;
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}
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.broken {
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font-size: 8rem;
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height: 3ch;
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}
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.also-broken {
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font-size: 8rem;
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height: 10rem;
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}
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/* CSS below here is irrelevant to the bug */
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.testcase {
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display: inline-block;
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vertical-align: top;
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width: 22rem;
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margin: 1rem;
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padding: 2rem;
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border: 0.5rem dashed #ce5e46;
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}
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h1 {
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font-weight: normal;
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color: #ce5e46;
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}
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body {
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background-color: #f9f9ef;
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}
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