GNU bug report logs - #20466
25.0.50; REGRESSION in `isearch-mode-map': <backspace> is not translated to DEL

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Message #17 received at 20466 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 20466 <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#20466: 25.0.50;
 REGRESSION in `isearch-mode-map': <backspace> is not translated to DEL
Date: Thu, 30 Apr 2015 19:12:07 -0400

> The "why" part was answered by Artur, who pointed to the bug report
> which triggered that change.
[...]
> I learned long ago that if you want to change the binding of DEL, you
> had better changed the binding of Backspace accordingly at the same time,

I strongly disagree here: following this kind of rule is what caused the
problem in the first place.

What you're basically saying is that we should give up on the
function-key-map binding which remaps `backspace' to DEL.

Clearly, this bug report shows that this remapping is harder to handle
right in the case of isearch-mode-map.

I think The Right Way to handle it is to bind (in isearch-mode-map)
`backspace' to `undefined' (so it hides bindings in lower-precedence
maps, but still lets the function-key-map remapping take place).


        Stefan

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