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After the first time, it quits working and refreshing the page doesn't solve the problem.

Questa recensione riguarda una versione precedente (1.0.1-signed) del componente aggiuntivo. 

With Firefox 22 having a "What The Font" capability - https://hacks.mozilla.org/2013/04/developer-tools-update-firefox-22/ - I'm debating on officially ceasing development of this addon. I've been trying to figure out the "only works once" bug for over a year, but it aludes me.

Do you think the new Developer Tools feature makes this addon obsolete, or should I continue development?