Earlier quoted context omitted.
Their WizKey program looks like it might solve one of my biggest Windows frustrations after switching from the Mac. If it can reproduce the Mac's way of typing accented characters (eg Cmd-U followed by o to type ö) then I'll be buying it shortly. https://antibody-software.com/web/software/software/wizkey-m...
have you tried https://github.com/samhocevar/wincompose
This looks promising, thanks for the tip!