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Re: vertical-motion fails when tab in line

From: David Reitter
Subject: Re: vertical-motion fails when tab in line
Date: Mon, 12 Jun 2006 17:00:28 +0100

On 11 Jun 2006, at 10:30, Ralf Angeli wrote:

* David Reitter (2006-06-11) writes:

To reproduce, take a scratch buffer, enter a few lines of text wich
will be wrapped and contain one (or more?) tabs. Place cursor near
the end of a wrapped line, but not too far towards the end, and call
M-: (vertical-motion 1).

Tried this in Aquamacs (based on very recent GNU CVS) and as well
with a vanilla CVS build (Carbon port on OS X) with a fixed-width font.

Unreproducible with

emacs -Q -eval '(progn (insert "\t" (make-string 50 ?x) "\t" (make- string 50 ?x)) (goto-char 85) (vertical-motion 1))'

It won't reproduce with this for me either.

But this one does it:

emacs -Q -eval '(progn (insert "\t" (make-string 50 ?x) " " (make- string 50 ?x)) (set-frame-parameter nil (quote width) 60) (goto-char 54) (vertical-motion 1))'

In GNU Emacs (powerpc-apple-darwin7.9.0)
of 2006-05-06 on rodrigues.inf.ed.ac.uk
X server distributor `Apple Computers', version 10.4.6
configured using `configure '--without-x' '--prefix=/usr/local''

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