Stefan Monnier <monnier@iro.umontreal.ca> schrieb am Do., 9. Feb. 2017 um 19:02 Uhr:
>  (defvar MODE-map INIT)                   ; model C
>  (define-derived-mode MODE ...)

This is the idiomatic form.

If that's the case, could you please describe this convention in https://www.gnu.org/software/emacs/manual/html_node/elisp/Derived-Modes.html and fix the example there? Thanks.