Standard setting output-language

[Somebodyisnobody]

My suggestion: Input language standard -> Setting in Addonpage to choose between "Save last used language", "Save last used language but reset to [chose language here] when browser restarts" Output language standard -> Setting in Addonpage to choose between "Use OS/Browser-language" and "Save last used language", "Save last used language but reset to [chose language here] when browser restarts". (The "don't save" option at the moment is nonsense, because in this case French is automaticlly set.) Exemption: If input language = output language -> output-language = english