GNU bug report logs - #64699
Invalid key definition for keymap-set-after

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Message #19 received at 64699-done <at> debbugs.gnu.org (full text, mbox):

From: uzibalqa <uzibalqa <at> proton.me>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 64699-done <at> debbugs.gnu.org
Subject: Re: bug#64699: Invalid key definition for keymap-set-after
Date: Tue, 18 Jul 2023 12:37:33 +0000

------- Original Message -------
On Tuesday, July 18th, 2023 at 10:29 PM, Po Lu <luangruo <at> yahoo.com> wrote:


> uzibalqa uzibalqa <at> proton.me writes:
> 
> > It is recommended that 'keymap-set-after' is used instead of 'define-key-after'.
> > 
> > But replacing
> > 
> > (defvar mcp-kdf (make-sparse-keymap "MCP"))
> > (define-key-after global-map
> > [menu-bar mcp-topm] (cons "MCP" mcp-kdf) 'tools)
> > 
> > with
> > 
> > (defvar mcp-kdf (make-sparse-keymap "MCP"))
> > (keymap-set-after global-map
> > [menu-bar mcp-topm] (cons "MCP" mcp-kdf) 'tools)
> > 
> > gives the following error
> > 
> > (error "[menu-bar mcp-topm] is not a valid key definition;...")
> > signal(error ("[menu-bar mcp-topm] is not a valid key definition;..."))
> > error("%S is not a valid key definition; see `key-valid-p..." [menu-bar mcp-topm])
> > keymap--check([menu-bar mcp-topm])
> > keymap-set-after((keymap #^[nil nil keymap
> > #^^[3 0 set-mark-command move-beginning-of-line backward-char mode-specific-command-prefix delete-char move-end-of-line forward-char keyboard-quit help-command indent-for-tab-command electric-newline-and-maybe-indent kill-line recenter-top-bottom newline next-line open-line previous-line quoted-insert isearch-backward isearch-forward transpose-chars universal-argument scroll-up-command kill-region Control-X-prefix yank suspend-frame ESC-prefix toggle-input-method abort-recursive-edit nil undo self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command ...] #^^[1 0 #^^[2 0
> > #^^[3 0 set-mark-command move-beginning-of-line backward-char mode-specific-command-prefix delete-char move-end-of-line forward-char keyboard-quit help-command indent-for-tab-command electric-newline-and-maybe-indent kill-line recenter-top-bottom newline next-line open-line previous-line quoted-insert isearch-backward isearch-forward transpose-chars universal-argument scroll-up-command kill-region Control-X-prefix yank suspend-frame ESC-prefix toggle-input-method abort-recursive-edit nil undo self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command ...] self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command] self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command] self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command self-insert-command ...] (67108908 . text-scale-decrease) (67108910 . text-scale-increase) (f5 . modus-themes-toggle) (paste . clipboard-yank) (copy . clipboard-kill-ring-save) (cut . clipboard-kill-region) (f18 . clipboard-yank) (f16 . clipboard-kill-ring-save) (f20 . clipboard-kill-region) (C-wheel-down . mouse-wheel-text-scale) (C-wheel-up . mouse-wheel-text-scale) (C-mouse-5 . mouse-wheel-text-scale) (C-mouse-4 . mouse-wheel-text-scale) (C-M-wheel-down . mouse-wheel-global-text-scale) (C-M-wheel-up . mouse-wheel-global-text-scale) (C-M-mouse-5 . mouse-wheel-global-text-scale) (C-M-mouse-4 . mouse-wheel-global-text-scale) (M-wheel-right . mwheel-scroll) (M-wheel-left . mwheel-scroll) (M-wheel-down . mwheel-scroll) (M-wheel-up . mwheel-scroll) (M-mouse-7 . mwheel-scroll) (M-mouse-6 . mwheel-scroll) (M-mouse-5 . mwheel-scroll) (M-mouse-4 . mwheel-scroll) (S-wheel-right . mwheel-scroll) (S-wheel-left . mwheel-scroll) (S-wheel-down . mwheel-scroll) (S-wheel-up . mwheel-scroll) (S-mouse-7 . mwheel-scroll) (S-mouse-6 . mwheel-scroll) (S-mouse-5 . mwheel-scroll) (S-mouse-4 . mwheel-scroll) (wheel-right . mwheel-scroll) (wheel-left . mwheel-scroll) (wheel-down . mwheel-scroll) ...) [menu-bar mcp-topm] ("MCP" keymap "MCP") tools)
> > mcp-menubar()
> > eval-buffer(#<buffer load-661928> nil "/home/hagbard/Opstk/bin/gungadin-1.0/typex/oktant/..." nil t) ; Reading at buffer position 10068
> > load-with-code-conversion("/home/hagbard/Opstk/bin/gungadin-1.0/typex/oktant/..." "/home/hagbard/Opstk/bin/gungadin-1.0/typex/oktant/..." nil t)
> > require(mcp)
> 
> 
> The documentation does not mention or imply that `keymap-set-after' accepts the same key sequence format as` define-key-after'. And indeed
> it does not.

How is it supposed to be used then.  You request people to change but do net help them 
move forward.  What declaration would `keymap-set-after' use ?

 
> Closing.

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