History Submenus Ⅱ for Firefox 4.0 - 9.0 Rated 5 out of 5 stars

History Submenus Ⅱ for Firefox 4.0 - 9.0.
https://addons.mozilla.org/addon/history-submenus-2/

Everybody who is using Personal Menu please update it to 5.0.6, thanks.
https://addons.mozilla.org/addon/personal-menu/versions/5.0.6

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