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Good. But fatal error. Rated 2 out of 5 stars
"bitsMarkingCollection.init():TypeError: this.gBrowser.browsers[i] is undefined"
It is critical error, so I can not this add-on. :(
Compatible issue between add-ons
This error massage may be caused by the compatible issue between add-ons.
Please confirm that Wired-Marker works well or not when you enable Wired-Marker only in your add-ons.
If the problem will not be solved, please let us know.