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bug#51578: 29.0.50; error on display-bindings when invoked from a tty
From: |
Eli Zaretskii |
Subject: |
bug#51578: 29.0.50; error on display-bindings when invoked from a tty |
Date: |
Wed, 03 Nov 2021 16:27:03 +0200 |
> From: Bird <birdsite@airmail.cc>
> Date: Wed, 03 Nov 2021 03:00:03 +0000
>
>
> When emacs -Q is ran in a tty(C-M-F2 on gnu/linux) and invokes
> describe-bindings, an error occurs. the debug information is:
>
> Debugger entered--Lisp error: (wrong-type-argument listp -1)
> outline--valid-emoji-p("▶️")
> outline--make-button(open)
> outline--make-button-overlay(open)
> outline--insert-open-button()
> outline-minor-mode-highlight-buffer()
> outline-minor-mode(1)
> describe-bindings()
> funcall-interactively(describe-bindings)
> call-interactively(describe-bindings nil nil)
> command-execute(describe-bindings)
Thanks. Does the patch below help?
diff --git a/lisp/outline.el b/lisp/outline.el
index 2a6f475..5b20a42 100644
--- a/lisp/outline.el
+++ b/lisp/outline.el
@@ -961,7 +961,8 @@ outline--make-button
" " (buffer-substring (point) (1+ (point))))))
(defun outline--valid-emoji-p (string)
- (when-let ((font (car (internal-char-font nil ?😀))))
+ (when-let ((font (and (display-multi-font-p)
+ (car (internal-char-font nil ?😀)))))
(font-has-char-p font (aref string 0))))
(defun outline--valid-char-p (string)