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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: posn-at-point get strange info when flycheck enable and (setq
	truncate-lines t)
Date: Wed, 17 Jan 2018 18:45:28 +0200
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> Date: Wed, 17 Jan 2018 18:02:33 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: schwab@linux-m68k.org, emacs-devel@gnu.org
> 
> >   (#<window 3 on test.el> 31 (65 . 111) 0 (! . 0) 31 (5 . 3) nil (0 . 24) (13 . 29))
> >   (#<window 3 on test.el> 31 (65 . 87) 0 nil 31 (5 . 3) nil (0 . 0) (13 . 29))
> > 
> > Is it possible force get buffer POS's pixel position?
> 
> Is the character at buffer position 32 visible in the window?

Sorry, I meant to write "31", not "32".