I need to edit plist file of TextEdit (TextEdit/Contents/plist.info) for doing this, using Xcode. But TextEdit says that I've got no permission for edit I've tried to get more permission for me, ...
I want to edit Info.plist for TextEdit. (Here's why.) I'm running OS 10.7, and I do have Xcode installed. But every time I try to edit the file, it's locked and I can't save my changes. If I try to ...