I'd find it helpful, if the editor would support editing multiple languages simultanously. E.g. I have my app.properties in .en, .de, and .hr. Now I'd like to have some spreadsheet layout with the key in column 1 and the different supportedd locales in separate columns. (This might become a bit confusing when supporting many different locales, I agree) Thus I'd see at a glance, which fields are new and missing in some language and I can easier go through spelling mistakes and similar with native speakers, if they see the text of a "neighboring" language.
Properties Editor
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