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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Enclosing text in a box
Date: Fri, 18 Nov 2022 16:48:50 +0200	[thread overview]
Message-ID: <83y1s89v3h.fsf@gnu.org> (raw)
In-Reply-To: <87mt8q62mu.fsf@dataswamp.org> (message from Emanuel Berg on Wed,  16 Nov 2022 21:55:05 +0100)

> From: Emanuel Berg <incal@dataswamp.org>
> Date: Wed, 16 Nov 2022 21:55:05 +0100
> 
> Eli Zaretskii wrote:
> 
> >> Asking users to handle such conditions would be too hard to
> >> do repeatedly.
> >
> > This is not userland, this is Emacs Lisp programming for
> > display, and yes, it is quite tricky
> 
> (defun sign (label)
>   (interactive "sLabel: ")
>   (let*((vertical   "|")
>         (horizontal  ?-)
>         (corner     "+")
>         (mid (format "%s %s %s" vertical label vertical))
>         (len (length mid))
>         (top (format "%s%s%s" corner (make-string (- len 2) horizontal) corner))
>         (sgn (format "%s\n%s\n%s\n" top mid top)) )
>     (insert sgn) ))
> 
> ;; M-x sign This is not a bluff RET
> ;;
> ;; +---------------------+
> ;; | This is not a bluff |
> ;; +---------------------+

And now try with "fullwidth" characters, like the below:

  M-x sign RET This is not a bluff RET

This yields:

  +---------------------+
  | This is not a bluff |
  +---------------------+

Hmm...



  reply	other threads:[~2022-11-18 14:48 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-16 12:47 Enclosing text in a box Heime
2022-11-16 13:07 ` Heime
2022-11-16 13:34   ` Alexis Roda
2022-11-16 13:58     ` Eli Zaretskii
2022-11-16 14:11       ` Yuri Khan
2022-11-16 14:20         ` Heime
2022-11-16 14:47         ` Eli Zaretskii
2022-11-16 14:51           ` Heime
2022-11-16 14:55             ` Emanuel Berg
2022-11-16 20:56               ` Emanuel Berg
2022-11-16 16:44             ` Eli Zaretskii
2022-11-16 16:48               ` Heime
2022-11-16 16:53                 ` Heime
2022-11-16 19:20                 ` Eli Zaretskii
2022-11-16 19:35                   ` Heime
2022-11-16 19:42                     ` Emanuel Berg
2022-11-16 21:01                       ` Heime
2022-11-16 20:00                     ` Eli Zaretskii
2022-11-16 20:55                       ` Emanuel Berg
2022-11-18 14:48                         ` Eli Zaretskii [this message]
2022-11-18 15:10                           ` tomas
2022-11-18 19:18                           ` Emanuel Berg
2022-11-16 21:04                       ` Emanuel Berg
2022-11-16 14:55           ` Yuri Khan
2022-11-16 15:06             ` Yuri Khan
2022-11-16 16:12               ` tomas
2022-11-16 16:43                 ` Heime
2022-11-17  6:43 ` Jean Louis
2022-11-17  6:57   ` Emanuel Berg
2022-11-18 19:11     ` Jean Louis
2022-11-21 12:53       ` Emanuel Berg
2022-11-18 16:20   ` [External] : " Drew Adams

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