Closed Bug 1717243 Opened 4 years ago Closed 4 years ago

Tab Bar Visual Bug on UTF-8 Characters in Title like π”ž

Categories

(Firefox :: Tabbed Browser, defect)

Firefox 89
defect

Tracking

()

RESOLVED DUPLICATE of bug 1704404

People

(Reporter: m4l3t, Unassigned)

Details

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:89.0) Gecko/20100101 Firefox/89.0

Steps to reproduce:

Open a website in Firefox that uses Fraktur UTF-8 characters (U+1D504 to U+1D59F) in the <title> tag.
A minimal working example is the following HTML page:

<html>
<head>
<meta charset="utf-8">
<title>π”ž</title>
</head>
</html>

I tested it with multiple Fraktur characters and multiple Firefox themes and they all seem to cause the same behaviour.

Actual results:

The tab bar grows in height to about three times its original height if a tag with Fraktur characters in its title is open.
This also happens if the Fraktur tab is not visible in the tab bar.

Expected results:

The tab bar should stay the same height, at least if the Fraktur title tab is not visible in the tab bar

Status: UNCONFIRMED → RESOLVED
Closed: 4 years ago
Component: Untriaged → Tabbed Browser
Resolution: --- → DUPLICATE
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