emacs nw mode - Forest0923/memo GitHub Wiki

No-window-system mode

• Emacs can be run in the terminal by emacs -nw.
• However you got error message Fontset ‘tty’ does not exist, if you changed font for GUI.

How to resolve the problem

• Add the following command.

(if (display-graphic-p)
  (progn
    (set-face-attribute 'default nil
                        :family "Ricty Diminished Discord")
    (set-fontset-font (frame-parameter nil 'font)
                      'japanese-jisx0208
                      (cons "Ricty Diminished Discord" "iso10646-1"))
    (set-fontset-font (frame-parameter nil 'font)
                      'japanese-jisx0212
                      (cons "Ricty Diminished Discord" "iso10646-1"))
    (set-fontset-font (frame-parameter nil 'font)
                      'katakana-jisx0201
                      (cons "Ricty Diminished Discord" "iso10646-1")))
)

• display-graphic-p means:

This function returns t if display is a graphic display capable of displaying several frames and several different fonts at once. This is true for displays that use a window system such as X, and false for text terminals.

--- https://www.gnu.org/software/emacs/manual/html_node/elisp/Display-Feature-Testing.html