What about using new profile or in safe mode ? https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
It does not change anything. I can still reproduce the bug.
Guyllaume can you still reproduce this in the newest Firefox versions?
Trying with Firefox 22, this seems to be fixed.
I'll close this as WORKSFORME. Please feel free to reopen it, if the something changes.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → WORKSFORME
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