Variable: image-text-based-formats

image-text-based-formats is a customizable variable defined in image-mode.el.gz.

Value

(svg xpm)

Documentation

List of image formats that use a plain text format.

For such formats, display a message that explains how to edit the image as text, when opening such images in image-mode.

This variable was added, or its default value changed, in Emacs 29.1.

Probably introduced at or before Emacs version 29.1.

Source Code

;; Defined in /usr/src/emacs/lisp/image-mode.el.gz
;;; Image Mode setup

(defcustom image-text-based-formats '(svg xpm)
  "List of image formats that use a plain text format.
For such formats, display a message that explains how to edit the
image as text, when opening such images in `image-mode'."
  :type '(choice (const :tag "Disable completely" nil)
                 (repeat :tag "List of formats" sexp))
  :version "29.1"
  :group 'image)