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From: "Stephen J. Turnbull" <stephen@xemacs.org>
To: Jonathan Yavner <jyavner@rogers.com>
Cc: juri@jurta.org, Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: shouldn't `delete-blank-lines' treat form-feed as whitespace?
Date: Mon, 08 Mar 2010 03:11:43 +0900	[thread overview]
Message-ID: <87aaukt31c.fsf@uwakimon.sk.tsukuba.ac.jp> (raw)
In-Reply-To: <201003062334.16969.jyavner@rogers.com>

Jonathan Yavner writes:

 > Function delete-trailing-whitespace specifically states that it does not 
 > delete FF.  It also doesn't delete VT.

In Unicode, FF at least has line-breaking semantics.  I believe VT
does as well.  So they are not deleted because they aren't trailing
whitespace, they break the trail themselves.

 > So why should delete-blank-lines delete these?

Because they create vertical whitespace, and delete-blank-lines is
intended to close it up.  I can see an argument for not deleting them,
too, so I would want to hear from users about their use cases.






  parent reply	other threads:[~2010-03-07 18:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1No0yT-0007vs-HZ@mail.fsf.org>
2010-03-06 22:34 ` shouldn't `delete-blank-lines' treat form-feed as whitespace? Jonathan Yavner
2010-03-07  4:14   ` Eli Zaretskii
2010-03-07  4:34     ` Jonathan Yavner
2010-03-07 17:42       ` Eli Zaretskii
2010-03-07 18:11       ` Stephen J. Turnbull [this message]
2010-03-07  5:08     ` Stephen J. Turnbull
2010-02-28 20:44 Drew Adams
2010-03-03 19:32 ` Juri Linkov
2010-03-03 19:54   ` Drew Adams
2010-03-04  4:28     ` Stefan Monnier
2010-03-05  8:48       ` Eli Zaretskii
2010-03-06 17:57         ` Juri Linkov
2010-03-06 18:56           ` Eli Zaretskii
2010-03-03 21:35 ` David De La Harpe Golden
2010-03-03 22:21   ` Drew Adams
2010-03-04  1:40   ` Miles Bader
2010-03-04  6:21     ` Drew Adams

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