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From: Marcin Borkowski <mbork@mbork.pl>
To: Emanuel Berg <moasenwood@zoho.eu>
Cc: help-gnu-emacs@gnu.org
Subject: Re: hline
Date: Thu, 07 Jan 2021 16:23:20 +0100	[thread overview]
Message-ID: <87a6tksrdj.fsf@mbork.pl> (raw)
In-Reply-To: <87sg7ds1wp.fsf@zoho.eu>


On 2021-01-07, at 07:21, Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org> wrote:

> (defun hline (&optional char)
>   (interactive "P")
>   (let ((len (- (window-width) (current-column) 1))
>         (c (or char ?-)) )
>     (insert (make-string len c)) ))

Funny how I wrote an almost identical function just two days ago...
Though I used (1- (window-width)), since in my use case I knew that
(current-column) would be zero.

Anybody knows why it is necessary to subtract 1?

Best,

--
Marcin Borkowski
http://mbork.pl



  parent reply	other threads:[~2021-01-07 15:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-07  6:21 hline Emanuel Berg via Users list for the GNU Emacs text editor
2021-01-07  9:49 ` hline Jean Louis
2021-01-07 10:05   ` hline Emanuel Berg via Users list for the GNU Emacs text editor
2021-01-07 14:51   ` hline Tim Visher
2021-01-08  1:00     ` hline Jean Louis
2021-01-07 15:23 ` Marcin Borkowski [this message]
2021-01-07 22:44   ` hline Emanuel Berg via Users list for the GNU Emacs text editor
2021-01-07 22:57   ` hline Emanuel Berg via Users list for the GNU Emacs text editor
2021-01-07 23:08   ` hline Emanuel Berg via Users list for the GNU Emacs text editor

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