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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Problems with move_it_in_display_line_to X when tabs exist.
Date: Sun, 03 Dec 2017 05:32:49 +0200
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To: Keith David Bershatsky <esq@lawlist.com>
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In-reply-to: <m21skcu5m8.wl%esq@lawlist.com> (message from Keith David
	Bershatsky on Sat, 02 Dec 2017 14:28:31 -0800)
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> Date:  Sat, 02 Dec 2017 14:28:31 -0800
> From:  Keith David Bershatsky <esq@lawlist.com>
> Cc:  emacs-devel@gnu.org
> 
> Here are the four values.  It looks like it.current_x is where I expected it to be, but it.what is showing a character instead of a stretch.
> 
> (gdb) print it.what
> $1 = IT_CHARACTER
> 
> (gdb) print it.char_to_display
> $2 = 9
> 
> (gdb) print it.method
> $3 = GET_FROM_DISPLAY_VECTOR
> 
> (gdb) print it.current_x
> $4 = 44

Please show the Lisp code that you used to set up the display table.