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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - _blank named browsing context should not be case-sensitive"
href="https://bugs.webkit.org/show_bug.cgi?id=169747">169747</a>
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<th>Summary</th>
<td>_blank named browsing context should not be case-sensitive
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>New Bugs
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>lyza@lyza.com
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<p>
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<pre>Per section 7.1.5 Named Browsing Contexts[1] of the WHATWG HTML specification:
<span class="quote">> A valid browsing context name or keyword is any string that is either a valid browsing context name or that is an ASCII case-insensitive match for one of: _blank, _self, _parent, or _top.</span >
However, the behavior observed is that case-mixed variants of `_blank` are treated as non-keyword browsing context names. To reproduce, e.g.:
1. `window.open` into `_bLAnk`
2. `window.open` into `_bLAnk`
Expected result:
Browser should create two new browsing contexts, treating `_bLAnk` as a case-insensitive match for the keyword `_blank`.
Actual result:
Browser only creates one new browsing context. The second invocation of `window.open` reuses the `_bLAnk` browsing context created by the first invocation.
Relevant web-platform-tests: <a href="https://github.com/w3c/web-platform-tests/pull/5145">https://github.com/w3c/web-platform-tests/pull/5145</a>
[1] <a href="https://html.spec.whatwg.org/#browsing-context-names">https://html.spec.whatwg.org/#browsing-context-names</a></pre>
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