GNU bug report logs - #11738
24.1.50; Regression: `modify-frame-parameters' is broken for `left' & `top'

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Package: emacs;

Reported by: "Drew Adams" <drew.adams <at> oracle.com>

Date: Tue, 19 Jun 2012 02:38:02 UTC

Severity: normal

Found in version 24.1.50

Done: Chong Yidong <cyd <at> gnu.org>

Bug is archived. No further changes may be made.

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From: "Drew Adams" <drew.adams <at> oracle.com>
To: <11738 <at> debbugs.gnu.org>
Subject: bug#11738: 24.1.50; Regression: `modify-frame-parameters' is broken for `left' & `top'
Date: Mon, 2 Jul 2012 09:36:17 -0700

ping.

> emacs -Q
> In *scratch*:
> (setq new (- (frame-parameter nil 'left) 10))
> (setq new `(left + ,new))
> (modify-frame-parameters nil (list new))
>  
> IOW, try to set `left' or `top' to a value that is a cons whose car is
> `left' or `top', whose cadr is `+' or `-', and whose caddr is some new
> value.  Nothing happens.
> 
> This is a regression wrt ALL previous Emacs versions (well, ever
> since we had frames).  It is important that the cons form of these
> parameter values continue to be accepted, as it has always been.
This bug report was last modified 12 years and 364 days ago.

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