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+<!DOCTYPE HTML>
+<!--
+ Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+ <title>CSS Test: Testing the layout of TAB characters with various 'tab-size' length values</title>
+ <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
+ <link rel="help" href="https://drafts.csswg.org/css-text-3/#tab-size-property">
+
+ <meta charset="utf-8">
+ <style type="text/css">
+
+ @font-face {
+ font-family:Ahem; src:url(../fonts/Ahem.ttf);
+ }
+ * {
+ font:20px/20px Ahem;
+ }
+ html,body {
+ color:black; background-color:white;
+ }
+
+ tab { display:inline-block; }
+ #t1 tab { width:40px; } /* tab-size:20px (valid) */
+ #t2 tab { width:50px; } /* tab-size:50px (valid) */
+ #t3 tab { width:40px; } /* tab-size:2ch (valid) */
+ #t4 tab { width:60px; } /* tab-size:3em (valid) */
+ #t5 tab { width:50px; } /* tab-size:calc(10px + 2em) (valid) */
+ #t6 tab { width:40px; } /* tab-size:calc(2em) (valid) */
+ #t7 tab { width:50px; } /* tab-size:calc(3.5 - 1) (valid) */
+ #t8 tab { width:32px; } /* tab-size:0.8ch (valid) */
+ #t9 tab { width:20px; } /* tab-size:0px (valid) */
+ #t10 tab { width:20px; } /* tab-size:calc(-2em) (valid, but clamped to zero) */
+ #t11 tab { width:20px; } /* tab-size:calc(1px - 2px) (valid, but clamped to zero) */
+ #t12 tab { width:20px; } /* tab-size:calc(-2.5) (valid, but clamped to zero) */
+ #t13 tab { width:160px; } /* tab-size:-2em (invalid, rule ignored, falls back to initial value 8) */
+ #t14 tab { width:160px; } /* tab-size:100% (invalid, rule ignored, falls back to initial value 8) */
+ #t15 tab { width:160px; } /* tab-size:calc(10% + 2em) (invalid, rule ignored, falls back to initial value 8) */
+ #t16 tab { width:20px; } /* tab-size:0 (valid) */
+ #t17 tab { width:20px; } /* tab-size:0.0 (valid) */
+ #t18 tab { width:40px; } /* tab-size:1 (valid) */
+ #t19 tab { width:60px; } /* tab-size:3 (valid) */
+ #t20 tab { width:68px; } /* tab-size:3.4 (valid) */
+ #t21 tab { width:160px; } /* tab-size:-1.5 (invalid, rule ignored, falls back to initial value 8) */
+
+ </style>
+</head>
+<body>
+
+<pre id="t1"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t2"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t3"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t4"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t5"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t6"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t7"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t8"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t9"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t10"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t11"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t12"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t13"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t14"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t15"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t16"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t17"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t18"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t19"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t20"><tab>A</tab><tab>B</tab>C</pre>
+<pre id="t21"><tab>A</tab><tab>B</tab>C</pre>
+
+</body>
+</html>