Hongyi Zhao <hongyi.z...@gmail.com> writes: >> Use comment-line instead of comment-dwim. > > But when I try `C-x C-;`, the weird behavior is triggered, as shown in > the attached file.
That popup is not from emacs, isn't it? I guess you window manager captures the key so that emacs never sees it. You can test that assumption by doing C-h k C-x C-;. If emacs doesn't react and tell you what this key is bound to, then something captures it. Bye, Tassilo
