Toggle Quotes Betygsatt 4 utav 5 stjärnor

Toggle Quotes adds a toolbar button and a shortcut key to QuoteCollapse.
https://addons.mozilla.org/en-US/thunderbird/addon/toggle-quotes/

Review of QuoteCollapse?

This does not appear to be a review of QuoteCollapse.
I don't mind linking to that add-on-add-on from the description or even integrating functionality.