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From: "gebser@mousecar.com" <gebser@mousecar.com>
To: help-gnu-emacs@gnu.org
Subject: Re: editing a PDF [Re: emacs 30.5.0 editing epub]
Date: Tue, 21 Mar 2023 17:57:06 -0400	[thread overview]
Message-ID: <31dffcc9-bda2-b340-a09c-fe3d3a1b3a40@mousecar.com> (raw)
In-Reply-To: <77a3b68b-a9f1-f8e7-176c-d929c85eb472@uni-koeln.de>

On 3/21/23 7:51 AM, Ulrich Deiters wrote:
> You can try to convert PDF to PostScript, e.g., with pdf2ps, pdftops, …
> PostScript is human-readable and can be edited with emacs.
> 
> Depending how the PDF code was created, however, the PostScript code
> may be difficult to interpret, or even contain blocks of binary code.
> Unless you recognize some strings like
> 
>      … (some text) show …
> 
> which can eventually be modified, it is risky to make changes. As Yuri
> stated, PDF (or PostScript) code is meant to be executed. Changes might
> result in a buggy code, and then the interpreter or the printer will balk.
> 
> 

Ugghhh.  You and Yuri have made me dislike PDFs even more than before. 
Yet still those executable(s) could be reverse-engineered.  Better than 
that, what FOSS app(s) would be happy replacement for the 
Acrobat-Industrial Complex?



  reply	other threads:[~2023-03-21 21:57 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-15 18:35 emacs 30.5.0 editing epub H.-J. Heitländer
2023-03-16  5:05 ` Michael Heerdegen
2023-03-16  6:57   ` H.-J. Heitländer
2023-03-17  0:44     ` Michael Heerdegen
2023-03-17  1:13     ` Michael Heerdegen
2023-03-19 21:23       ` editing a PDF [Re: emacs 30.5.0 editing epub] gebser
2023-03-19 23:59         ` Michael Heerdegen
2023-03-20  7:15           ` gebser
2023-03-21  0:31             ` Michael Heerdegen
2023-03-21  6:28             ` Yuri Khan
2023-03-21  6:38               ` Emanuel Berg
2023-03-22 16:32                 ` Yuri Khan
2023-03-22 18:48                   ` Bob Newell
2023-03-23  9:36                     ` Jean Louis
2023-03-23 23:00                       ` Bob Newell
2023-03-23  9:13                   ` Jean Louis
2023-03-23 10:37                   ` Michael Heerdegen
2023-03-23 20:13                     ` Emanuel Berg
2023-03-23 20:07                   ` Emanuel Berg
2023-03-21 11:51               ` Ulrich Deiters
2023-03-21 21:57                 ` gebser [this message]
2023-03-21 22:55                   ` Ulrich Deiters
2023-03-22  1:56                     ` Michael Heerdegen
2023-03-22  8:26                     ` FOSS replacement for PDF [Re: editing a PDF] gebser
2023-03-22  9:18                       ` Yuri Khan
2023-03-23  9:21                         ` Jean Louis
2023-03-23  9:49                           ` Yuri Khan
2023-03-23 10:53                             ` Gregory Heytings
2023-03-28 11:28                     ` editing a PDF [Re: emacs 30.5.0 editing epub] Michael Heerdegen
2023-03-22  7:03                   ` Jean Louis
2023-03-22 15:20                     ` gebser
2023-03-16  9:22 ` emacs 30.5.0 editing epub Stephen Berman
2023-03-16 13:16   ` H.-J. Heitländer
2023-03-16 15:23     ` Yuri Khan
2023-03-16 16:54       ` H.-J. Heitländer
2023-03-16 18:58         ` Stefan Monnier via Users list for the GNU Emacs text editor
2023-03-20 21:50           ` emacs 30.5.0 editing epub - finishing remark H.-J. Heitländer

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