Zutilo is modeled on the Firefox extension format suggested in the XUL School tutorial. Additionally, examples were taken from the Mozilla Developer Network documentation and the Zotero source code. It's shortcut features were modeled on those implemented by Keyconfig extension. Patches submitted by bjohas, bwiernik, and gracile-fr via GitHub. Translation support was provided by Armin Stroß-Radschinski, Goofy, gracile-fr, Urko, and Wang H. K.
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