See the master bug (10165) for login instructions Type a few words Mind 12921 (the first toolbar button press in a session doesn't work) Neither enabling super/subscript for new text nor super/subscripting old text work Works in GoogleDocs
Vox isn't calling execCommand(SuperScript, ...) but execCommand(FontName, ..., -editor-proxy).
Vox is closed, and I'm not sure what I meant by my last comment. Superscript/subscript work in Google Docs. I'm going to close this.