Hello everyone, I am a chinese user and also came across this problem.
Bastin once wrote this almost a decade ago: > More precisely this can be included when we decide to drop support > of Emacs 22. > > Does anyone know what is the current backward compatibility state > of major native Emacs packages (Gnus/ERC/etc) wrt Emacs 22? > > Thanks, > Since emacs has released 28.1, Could this problem be solved? Although we have the zero-width space workaround, for some fonts the character will not be zero-space. So it would be nice to solve this problem.