Inside the Bookmarks menu and just under the heading "Bookmark This Page" there's 2 separator lines, both adjacent to each other. There's no way to select or otherwise delete the extra one.
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cor-el 3 months ago Are you using an extension like Menu Editor or code in userChrome.css to hide menu items in that Bookmarks menu?
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Michelle911 3 months ago no I'm not
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cor-el 3 months ago Are those separator lines visible in the Bookmarks Manager (Library)?
- Bookmarks > Show All Bookmarks
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
- Do NOT click the Reset button on the Safe mode start window or otherwise make changes.