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CloseReview for MarkSubfolders by Byron Hawkins
Rated 5 out of 5 stars
Awesome!! I've been looking for this feature for years--it only just now occurred to me that there might be an addon for it. Thanks for posting this!
This review is for a previous version of the add-on (1.0.1).To create your own collections, you must have a Mozilla Add-ons account.