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+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text Test: join controls do not disrupt white-space processing</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-rules">
+<!-- NB: The spec doesn't explicitly discuss join controls in this context,
+ but it is self-evident that they should not have any effect on the white-space processing.
+ Their only effect should be on the shaping (if any) of the adjacent characters. -->
+<link rel="match" href="reference/white-space-vs-joiners-001-ref.html">
+<meta name="assert" content="The presence of join controls (ZWJ/ZWNJ) at word edges should not affect white-space processing">
+
+<style>
+p {
+ width: fit-content;
+ border: 2px solid green;
+ font: 24px monospace;
+}
+</style>
+
+<body>
+</body>
+
+<script>
+for (i = 0x200b; i <= 0x200f; ++i) {
+ txt = " "
+ + String.fromCharCode(i)
+ + "This should have no leading or trailing ["
+ + i.toString(16)
+ + "]"
+ + String.fromCharCode(i)
+ + " ";
+ p = document.createElement("p");
+ p.textContent = txt;
+ document.body.appendChild(p);
+}
+</script>