For some time I have been seeing strange squares on term-mode

Here a example with 'top' command

enter image description here

I am using emacs 28.2.50 with -q option.

Any ideas ?

1 Answer 1


Those are escape characters. term understand escape sequences similar to those understood by xterm (and thus similar to the VT-100/VT-220/VT-340/etc line of terminals), but \e(B isn’t one that I am familiar with. What is the value of TERM in that shell?

  • 1
    TERM was xterm-256color, with TERM=eterm-color, the problem go away, Thanks !
    – djangoliv
    Commented Nov 28, 2022 at 7:47

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