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From: Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: [Q] How to make text invisible without modifying the buffer?
Date: Sat, 14 Aug 2021 02:01:35 +0200	[thread overview]
Message-ID: <87czqg6gio.fsf@zoho.eu> (raw)
In-Reply-To: 87bl606hiq.fsf@gmail.com

Rodrigo Morales wrote:

> To begin writing this mode, I was wondering: How to make
> a line invisible? and came up with the following expression
> which accomplishes that
>
> #+BEGIN_SRC elisp (put-text-property (point-at-bol) (+
> (point-at-eol) 1) 'invisible t) #+END_SRC
>
> The problem with this expression is the fact that it
> modifies the current buffer and I don't want this to happen

`narrow-to-region'?

  Restrict editing in this buffer to the current region.
  The rest of the text becomes temporarily invisible and
  untouchable but is not deleted; if you save the buffer in
  a file, the invisible text is included in the file. C-x
  n w makes all visible again.

Flirting with not disaster perhaps but ...

-- 
underground experts united
https://dataswamp.org/~incal




  reply	other threads:[~2021-08-14  0:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-13 23:39 [Q] How to make text invisible without modifying the buffer? Rodrigo Morales
2021-08-14  0:01 ` Emanuel Berg via Users list for the GNU Emacs text editor [this message]
     [not found]   ` <87im0824b4.fsf@gmail.com>
2021-08-14  3:29     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-08-14  6:03 ` Eli Zaretskii

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