GNU bug report logs - #20552
modify-frame-parameters left edge positioning

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From: martin rudalics <rudalics <at> gmx.at>
To: gottlieb <at> nyu.edu
Cc: "20552 <at> debbugs.gnu.org" <20552 <at> debbugs.gnu.org>
Subject: bug#20552: 24.4; cc
Date: Thu, 14 May 2015 12:13:58 +0200

> As you wrote it there is no difference.  (left . 0) remains
> about 1/8 inch right of flush left (even if executed twice).  BUT
>
> (modify-frame-parameters nil '((user-position . t) (width . 176)
>                                 (left . -1300))
>
> does become flush left on an initial emacs -Q whereas without the
> user-position (which I will now read about) it required two executions
> to become flush left.  Recall, previously the first execution left the frame
> several inches right of flush left but a second execution made it flush
> left.

Still weird.  What happens with

(modify-frame-parameters nil '((user-position . t) (width . 176) (left . 1)))

Also, you could try playing with the `(+ POS)' and `(- POS)' position
specifications (see section 28.3.3.2 Position Parameters of the Elisp
manual).

martin

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