GNU bug report logs - #70139
29.3.50; key-translate does not support all keyboard-translate usages

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Robert Pluim <rpluim <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 70139 <at> debbugs.gnu.org
Subject: bug#70139: 29.3.50; key-translate does not support all keyboard-translate usages
Date: Thu, 04 Apr 2024 15:27:39 +0300

> From: Robert Pluim <rpluim <at> gmail.com>
> Date: Tue, 02 Apr 2024 11:50:40 +0200
> 
> 
> When `key-translate' was added, it didnʼt cover all the cases that
> `keyboard-translate' does.
> 
> Add a translation:
> 
>     (keyboard-translate ?\C-a ?\C-z)
> 
> Two ways to remove, of which I submit the first is 'obvious':
> 
>     (keyboard-translate ?\C-a nil)
>     (keyboard-translate ?\C-a ?\C-a)
> 
> Add:
> 
>     (key-translate "C-a" "C-z")
> 
> This works for removing a translation but is non-obvious:
> 
>     (key-translate "C-a" "C-a")
> 
> But this doesnʼt:
> 
>     (key-translate "C-a" nil)
> 
> =>
> Debugger entered--Lisp error: (error "nil is not a valid key definition; see ‘key-valid-...")
>   signal(error ("nil is not a valid key definition; see ‘key-valid-..."))
>   error("%S is not a valid key definition; see `key-valid-p..." nil)
> 
> Iʼm not sure this is worth fixing, but perhaps documenting that
> re-adding the same translation is (almost) the same as removing it?

Stefan, any comments or suggestions?

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.