Stefan Monnier 6bec60ad31 (define-minor-mode): Warn about use of pre-Emacs-21 style args ...

* lisp/emacs-lisp/easy-mmode.el (define-minor-mode):
Use `advertised-calling-convention` to avoid promoting the old
style arguments.  Emit a wanring when old-style arguments are used.
Massage the docstring accordingly.
* doc/lispref/modes.texi (Defining Minor Modes): Document the keyword
arguments rather than the old-style positional arguments.

2021-04-12 11:08:19 -04:00

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