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tests/browser-lines.html

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+<!doctype html>
+<html lang="en">
+<meta charset="utf-8">
+<title>Cthulhu Browser Probe: logical lines</title>
+<body>
+<h1>Logical line probe</h1>
+<!-- Every native LINE contains one word, exercising Python's web heuristic. -->
+<p style="width:1px">What's on your mind?</p>
+<pre>First
+Second</pre>
+<code style="display:block; width:1px">Code text</code>
+<textarea aria-label="Editable lines">First
+Second</textarea>
+<div aria-label="Truncated preview…">Truncated preview<span>…</span></div>
+<p>First line<br>猫🐈…</p>
+</body>
+</html>