I do a custom layout to get the diacritic non-English letters from my "proper local" layout but all the special characters/symbols as per US keyboard, since the

I do a custom layout to get the diacritic non-English letters from my "proper local" layout but all the special characters/symbols as per US keyboard, since the "proper local" layout has them moved around for some reason. That was annoying, so many years ago I spent the 15 minutes to prepare the layout files and then I just need to install them on every new computer I get.