Emacs uses the box drawing vertical line for the right margin which shows up as boxes currently (see `display-fill-column-indicator-mode`). https://www.compart.com/en/unicode/U+2502 (unicode character 9474, `\u2502`). ``` Right column │ │ │ ```
Emacs uses the box drawing vertical line for the right margin which shows up as boxes currently (see
display-fill-column-indicator-mode).https://www.compart.com/en/unicode/U+2502 (unicode character 9474,
\u2502).