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straceexisted. Great detective work. Thank you!~/.Xcompose. Unless you are copying a system Compose file into your~/.XComposefile, make sure you putinclude "%L"at the top of it before your custom Compose lines. That way you can reference the locale specific system Compose file under/usr/share/X11/locale. This is slightly better in that you are always referencing the latest installed system Compose file for your locale and your custom Compose file is cleaner as it only contains your definitions. You can find out about%Lby usingman Composefrom a terminal.