Subject: Re: bug#58552: 29.0.50; [PATCH] dictionary-lookup-definition "Wrong type argument" error when there is no word at point

From: Richard Stallman <[email-masked]>
Date: Sun, 16 Oct 2022 16:53:03 -0400

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

As far as I can tell, the message below was sent only to me.
But the message is strange.  So I decided to forward it here.

------- Start of forwarded message -------
From: Daniel Martín <[email-masked]>
Date: Sat, 15 Oct 2022 21:25:59 +0200
Subject: [PATCH] Signal an error in dictionary lookup if there's no word at
 point

* lisp/net/dictionary.el (dictionary-lookup-definition): Signal an
error when there is no word at point.
- ---
 lisp/net/dictionary.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/net/dictionary.el b/lisp/net/dictionary.el
index 4c52382c67..b8f5018005 100644
- --- a/lisp/net/dictionary.el
+++ b/lisp/net/dictionary.el
@@ -1173,7 +1173,10 @@ dictionary-search
 (defun dictionary-lookup-definition ()
   "Unconditionally lookup the word at point."
   (interactive)
- -  (dictionary-new-search (cons (current-word) dictionary-default-dictionary)))
+  (let ((word (current-word)))
+    (unless word
+      (error "No word at point"))
+    (dictionary-new-search (cons word dictionary-default-dictionary))))
 
 (defun dictionary-previous ()
   "Go to the previous location in the current buffer."
- -- 
2.34.1

- --=-=-=--
------- End of forwarded message -------
-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)