wie kann ich Emacs so einstellen, dass ich drucken kann

wie kann ich Emacs so einstellen, dass ich drucken kann

[Gottfried]

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Hallo,
ich wollte einen Puffer ausdrucken (das erste Mal)
und es gab diese Fehlermeldung:

lpr-print-region: Spooling...done: /home/gfp/.guix-profile/bin/lpr: 
Fehler - Kein voreingestelltes Ziel.

Wie kann ich das Ziel einstellen?

danke
Gottfried

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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Philip Kaludercic]

Gottfried <gottfried@posteo.de> writes:

> Hallo,
> ich wollte einen Puffer ausdrucken (das erste Mal)
> und es gab diese Fehlermeldung:
>
> lpr-print-region: Spooling...done: /home/gfp/.guix-profile/bin/lpr:
> Fehler - Kein voreingestelltes Ziel.
>
> Wie kann ich das Ziel einstellen?
>
> danke
> Gottfried

You have to take a look at `lpr-switches', and specifically figure out
what -P<printer name> flag to add, so that the "lpr" command knows where
you want to print.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Michael Heerdegen]

Gottfried <gottfried@posteo.de> writes:

> Hallo,
> ich wollte einen Puffer ausdrucken (das erste Mal)

Bitte auch Alternativen in Erwägung ziehen wenn du dich nicht mit
Interna herumschlagen möchtest:

- Emacs kann mit M-x ps-spool-buffer-with-faces den Buffer in Postscript
umwandeln - das Ergebnis ist im neuen Buffer *PostScript*.  Das kann man
dann als Postscript- (.ps) File abspeichern und ebenfalls mit anderen
Programmen drucken (etwa gv oder was auch immer)

- Paket htmlize um einen Buffer in ein html-File zu drucken und mit
einem anderen Programm drucken (Browser, etwa Firefox).  Das macht
Sinn weil Browser heutzutage oft sehr gute Druck-Interfaces haben.

Viele machen das weil das Interface in Emacs zum Drucken sehr
spartanisch ist.  Es gibt auch noch printing.el das versucht ein
besseres Interface für's Drucken zu Verfügung zu stellen um es etwas
leichter zu machen.

Ich persönlich nutze zur Zeit `ps-spool-buffer-with-faces'.

Michael.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Jean Louis]

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* Gottfried <gottfried@posteo.de> [2022-12-14 19:40]:
> Hallo,
> ich wollte einen Puffer ausdrucken (das erste Mal)
> und es gab diese Fehlermeldung:

So far best tool to print Emacs buffers that I have found is the
command `paps' as it supports correctly Unicode, also emoticons. Thus
you may try by installing `paps' tool from your Operating System
distribution.

Das beste Werkzeug zum Drucken von EMACS-Puffern, die ich gefunden
habe, ist der Befehl "paps", weil es richtig Unicode unterstützt, auch
Emoticons. Daher können Sie es versuchen, indem Sie das "PAPS"-Tool
aus Ihrer Betriebssystemverteilung installieren.

dov/paps: A text to postscript converter through pango:
https://github.com/dov/paps

Ich verwende folgende Funktionen:

(defun rcd-command-output-from-input (program input &rest args)
  "Return output string from PROGRAM with given INPUT string and optional ARGS."
  (let* ((output (with-temp-buffer
		   (insert input)
		   (apply #'call-process-region nil nil program t '(t nil) nil args)
		   (buffer-string))))
    output))

I am too often using landscape, you can adjust it for your needs.

(defun rcd-paps-process (text &optional format title &rest args)
  (let* ((format (or format "pdf"))
	 (title (or title (buffer-name)))
	 (length (length title))
	 (max 45)
	 (title (if (> length max) (substring title 0 max) title)))
    (apply 'rcd-command-output-from-input "paps" text "--format" format "--landscape" "--title" title "--header" args)))

(defun string-to-file-force (string file)
  "Prints string into file, matters not if file exists. Return FILE as file name."
  (with-temp-file file
    (insert string))
  file)

(defun rcd-paps-text-to-pdf (text &optional file-name title)
  (let* ((output (rcd-paps-process text "pdf" title))
	 (file-name (or file-name (concat (file-name-as-directory (getenv "HOME")) (read-string "File name without .pdf extension: ") ".pdf"))))
    (string-to-file-force output file-name)))

(defun rcd-paps-buffer-to-pdf-view ()
  (interactive)
  (let ((output (rcd-paps-process-buffer))
	(file-name (rcd-temp-file-name nil "pdf")))
    (sleep-for 1)
    (start-process "evince" nil "evince" (string-to-file-force output file-name))))

😎

-- 
Jean

Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns

In support of Richard M. Stallman
https://stallmansupport.org/

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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Michael Heerdegen]

Jean Louis <bugs@gnu.support> writes:

> * Gottfried <gottfried@posteo.de> [2022-12-14 19:40]:
> > Hallo,
> > ich wollte einen Puffer ausdrucken (das erste Mal)
> > und es gab diese Fehlermeldung:

> Das beste Werkzeug zum Drucken von EMACS-Puffern, die ich gefunden
> habe, ist [...]

Wenn es sich allerdings um einen Kartoffelpuffer handelt, ist es mit dem
Drucken tatsächlich nicht so einfach.

Sorry, could not resist.  Puffer...


Michael.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Jean Louis]

* Michael Heerdegen <michael_heerdegen@web.de> [2022-12-17 12:31]:
> Jean Louis <bugs@gnu.support> writes:
> 
> > * Gottfried <gottfried@posteo.de> [2022-12-14 19:40]:
> > > Hallo,
> > > ich wollte einen Puffer ausdrucken (das erste Mal)
> > > und es gab diese Fehlermeldung:
> 
> > Das beste Werkzeug zum Drucken von EMACS-Puffern, die ich gefunden
> > habe, ist [...]
> 
> Wenn es sich allerdings um einen Kartoffelpuffer handelt, ist es mit dem
> Drucken tatsächlich nicht so einfach.

Hahhahaha, dann wie sagt man es üblicherweise in Deutschland? Buffer?
How do you say "Buffer" in Germany?

Wie übersetzt man besser Buffer im Kontext von Emacs?
How do you translate "Buffer" in the context of Emacs?

-- 
Jean

Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns

In support of Richard M. Stallman
https://stallmansupport.org/

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Michael Heerdegen]

Jean Louis <bugs@gnu.support> writes:

> Wie übersetzt man besser Buffer im Kontext von Emacs?
> How do you translate "Buffer" in the context of Emacs?

"Puffer" is actually ok, but may sound a bit weird.  Most of the time
many people just use the English words, so "buffer" would also be ok.
Using English words in German sentences a lot has its own name:
speaking Denglish.

It depends on who you explain something.  But you also do older
people no favor if you use words that they don't find in texts and the
Internet etc. because they are not common.

In this case "buffer" and "Puffer" are very similar, so I would prefer
"buffer": it's easy to remember even for people not speaking English,
and it's more precise than "Puffer".

Michael.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Michael Heerdegen]

Michael Heerdegen <michael_heerdegen@web.de> writes:

> It depends on who you explain something.  But you also do older
> people no favor if you use words that they don't find in texts and the
> Internet etc. because they are not common.

When I speak about Emacs with my friends (in German) I only use English
terms: buffer, window, frame, mode-line, narrowing, etc.  If I would try
to translate all this stuff, I would have forgotten what I actually
wanted to say.  And it would be hard to understand.


Michael.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Drew Adams]

> If I would try to translate all this stuff,
> I would have forgotten what I actually wanted
> to say.  And it would be hard to understand.

Ain't it the truth!  Translation on the fly is
entirely different from using the language.

And trying to learn a language by translating
as you go is hard, and not necessarily helpful.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Michael Heerdegen]

Drew Adams <drew.adams@oracle.com> writes:

> And trying to learn a language by translating
> as you go is hard, and not necessarily helpful.

I don't know if I would do anyone a favor when I would try to translate
every Emacs specific term (and there are a lot) literally.  I would try
to describe the terms using my own words, but use those own words to
introduce the original English terms.

That's because I think when you really want to get something out of
Emacs, if you don't want to use it only like Notepad or Nano or those
simplistic editors -- with other words, when you want to use the
commands, the menus, the customize interface and an init file, you have
to know the original terms anyway.

Michael.

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[tomas]

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On Sun, Dec 18, 2022 at 03:07:43AM +0100, Michael Heerdegen wrote:
> Drew Adams <drew.adams@oracle.com> writes:
> 
> > And trying to learn a language by translating
> > as you go is hard, and not necessarily helpful.
> 
> I don't know if I would do anyone a favor when I would try to translate
> every Emacs specific term (and there are a lot) literally [...]

I think we aren't aware how full of strange buried metaphors our
languages are... until we try. Some travel well, some less so,
depending on the source and target languages.

"May contain nuts or parts of nuts" as an allergy warning on a
candy package I bought once was translated into Spanish by
disambiguating the nut into the bolt-and-nut side of things.

OTOH, "crane" as a lifting device, which is obviously a metaphor
based on the bird's look with its long beak does travel surprisingly
well whithin Western European languages. Up to the historians to
explain why (my hunch is that craftspeople travelled across Western
Europe at the time this device found widespread use, but I'm not a
historian).

"Literal" translation (the term becomes fuzzier and fuzzier
the closer you get) is bound to get tangled in that mess.

Cheers
-- 
t

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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Jean Louis]

* Michael Heerdegen <michael_heerdegen@web.de> [2022-12-18 05:09]:
> Drew Adams <drew.adams@oracle.com> writes:
> 
> > And trying to learn a language by translating
> > as you go is hard, and not necessarily helpful.
> 
> I don't know if I would do anyone a favor when I would try to translate
> every Emacs specific term (and there are a lot) literally.  I would try
> to describe the terms using my own words, but use those own words to
> introduce the original English terms.
> 
> That's because I think when you really want to get something out of
> Emacs, if you don't want to use it only like Notepad or Nano or those
> simplistic editors -- with other words, when you want to use the
> commands, the menus, the customize interface and an init file, you have
> to know the original terms anyway.

IMHO, that is because of habits and environment, you are personally
used to English language and that is how it goes in German
language. 

From personal experience I know that there is tendency in various
languages to use one's own national language. Some countries have the
habit to translate words into one's own language, for example Croatia,
or Hungary, while some countries have rather the habbit to adopt
English words, for example Serbia.

I can't see practically that one "has to know" English words. We had
computer club were teaching numerous people including those from
village who had no clues about English language. All of the computer
terminology we had it translated to local language, and people could
immediately adapt.

If people are faced with their own language, they will learn it in
that language. 

There is nothing simpler but learning words in one's own language.

It cannot be simpler to learn new words in different language.

I was just searching how Italian people call various Emacs terms and I
could find here:
http://www2.ing.unipi.it/~a008149/corsi/so/materiale/Esercitazioni/E2-Emacs.pdf

that they use "Buffer" but for modeline "Barra di stato", instead of
"ENTER" in sense of entering information, document uses "<invio>"
which shows that there is, rather smaller, tendency to translate it to
Italian. 

Judging by TUTORIAL in French the word "Buffer" is translated as
"tampon" and I am not so sure if it is correct, French speaker could
tell it.

Slovenian TUTORIAL, speaks of buffer as »delovno področje« -- which
shows tendency to translate it to local language.

Emacs hrani besedilo vsake datoteke v takoimenovanem »delovnem
področju« (angl. buffer). Ko poiščemo datoteko, Emacs ustvari zanjo
novo delovno področje. Vsa obstoječa delovna področja v Emacsu vidimo
z ukazom:

Some languages have that English and foreign language adoption
tendencies while others tend to have it all localized.

In my personal programming in Emacs, I do not like using exclusively
English as I have to serve people in various languages.

Following construct I use instead of plain English strings:

(rcd-db-words-get "I am sharing this information with you" language)

that means that instead of using plain English string "I am sharing
this information with you" I use the function that is to get the
translated from from the database in specified LANGUAGE, whatever it
may be.

People speak various languages, so for people and lists of people, I
can designate the communication language:

                         Person   "Joe Doe"
                    People type   "Individual Person"
         Communication Language   "Italian"


Now when I am to share Org heading, file, task, music, anything, there
are some pieces of text that are always same like word "Hello" and
many others.

Those pieces of text get semi-automatically translated.

If word is not translated, Emacs will ask me to translate it at the
moment of running the function. Next time it will go smoothly.

That would be my recommended approach for all mainstream Emacs
strings, including Menu strings.

Would the interface be translatable to other languages, Emacs would be
spread more into other countries and tendencies to use English would
be minimized.

-- 
Jean

Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns

In support of Richard M. Stallman
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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Eduardo Ochs]

On Sat, 17 Dec 2022 at 06:02, Jean Louis <bugs@gnu.support> wrote:
>
> * Gottfried <gottfried@posteo.de> [2022-12-14 19:40]:
> > Hallo,
> > ich wollte einen Puffer ausdrucken (das erste Mal)
> > und es gab diese Fehlermeldung:
>
> So far best tool to print Emacs buffers that I have found is the
> command `paps' as it supports correctly Unicode, also emoticons. Thus
> you may try by installing `paps' tool from your Operating System
> distribution.
>
> Das beste Werkzeug zum Drucken von EMACS-Puffern, die ich gefunden
> habe, ist der Befehl "paps", weil es richtig Unicode unterstützt, auch
> Emoticons. Daher können Sie es versuchen, indem Sie das "PAPS"-Tool
> aus Ihrer Betriebssystemverteilung installieren.
>
> dov/paps: A text to postscript converter through pango:
> https://github.com/dov/paps
>
> Ich verwende folgende Funktionen:
>
> (defun rcd-command-output-from-input (program input &rest args)
>   "Return output string from PROGRAM with given INPUT string and optional ARGS."
>   (let* ((output (with-temp-buffer
>                    (insert input)
>                    (apply #'call-process-region nil nil program t '(t nil) nil args)
>                    (buffer-string))))
>     output))
>
> I am too often using landscape, you can adjust it for your needs.
>
> (defun rcd-paps-process (text &optional format title &rest args)
>   (let* ((format (or format "pdf"))
>          (title (or title (buffer-name)))
>          (length (length title))
>          (max 45)
>          (title (if (> length max) (substring title 0 max) title)))
>     (apply 'rcd-command-output-from-input "paps" text "--format" format "--landscape" "--title" title "--header" args)))
>
> (defun string-to-file-force (string file)
>   "Prints string into file, matters not if file exists. Return FILE as file name."
>   (with-temp-file file
>     (insert string))
>   file)
>
> (defun rcd-paps-text-to-pdf (text &optional file-name title)
>   (let* ((output (rcd-paps-process text "pdf" title))
>          (file-name (or file-name (concat (file-name-as-directory (getenv "HOME")) (read-string "File name without .pdf extension: ") ".pdf"))))
>     (string-to-file-force output file-name)))
>
> (defun rcd-paps-buffer-to-pdf-view ()
>   (interactive)
>   (let ((output (rcd-paps-process-buffer))
>         (file-name (rcd-temp-file-name nil "pdf")))
>     (sleep-for 1)
>     (start-process "evince" nil "evince" (string-to-file-force output file-name))))
>
> 😎

Hi Jean Louis,

What are the definitions of `rcd-paps-process-buffer'
and `rcd-temp-file-name'?

Thanks in advance!
  Eduardo

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Gottfried]

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Hi Jean,

I installed paps with my System GNU Guix
and I copied
........................................
(defun rcd-command-output-from-input (program input &rest args)
 >    "Return output string from PROGRAM with given INPUT string and 
optional ARGS."
 >    (let* ((output (with-temp-buffer
 > 		   (insert input)
 > 		   (apply #'call-process-region nil nil program t '(t nil) nil args)
 > 		   (buffer-string))))
 >      output))

(defun rcd-paps-process (text &optional format title &rest args)
 >    (let* ((format (or format "pdf"))
 > 	 (title (or title (buffer-name)))
 > 	 (length (length title))
 > 	 (max 45)
 > 	 (title (if (> length max) (substring title 0 max) title)))
 >      (apply 'rcd-command-output-from-input "paps" text "--format" 
format "--landscape" "--title" title "--header" args)))
 >
 > (defun string-to-file-force (string file)
 >    "Prints string into file, matters not if file exists. Return FILE 
as file name."
 >    (with-temp-file file
 >      (insert string))
 >    file)
 >
 > (defun rcd-paps-text-to-pdf (text &optional file-name title)
 >    (let* ((output (rcd-paps-process text "pdf" title))
 > 	 (file-name (or file-name (concat (file-name-as-directory (getenv 
"HOME")) (read-string "File name without .pdf extension: ") ".pdf"))))
 >      (string-to-file-force output file-name)))
 >
 > (defun rcd-paps-buffer-to-pdf-view ()
 >    (interactive)
 >    (let ((output (rcd-paps-process-buffer))
 > 	(file-name (rcd-temp-file-name nil "pdf")))
 >      (sleep-for 1)
 >      (start-process "evince" nil "evince" (string-to-file-force 
output file-name))))
..........................................
into my init.el file

How does now the program paps find my printer?
because when I wanted to print something it says
"kein voreingestelltes Ziel/No preset destination

What else do I have to do?
Do I have to install pags in emacs?
Do I have to add something in my init.el file to find the printer?

Sorry, but I am learning

thanks for help

Gottfried



Am 17.12.22 um 10:00 schrieb Jean Louis:
> * Gottfried <gottfried@posteo.de> [2022-12-14 19:40]:
>> Hallo,
>> ich wollte einen Puffer ausdrucken (das erste Mal)
>> und es gab diese Fehlermeldung:
> 
> So far best tool to print Emacs buffers that I have found is the
> command `paps' as it supports correctly Unicode, also emoticons. Thus
> you may try by installing `paps' tool from your Operating System
> distribution.
> 
> Das beste Werkzeug zum Drucken von EMACS-Puffern, die ich gefunden
> habe, ist der Befehl "paps", weil es richtig Unicode unterstützt, auch
> Emoticons. Daher können Sie es versuchen, indem Sie das "PAPS"-Tool
> aus Ihrer Betriebssystemverteilung installieren.
> 
> dov/paps: A text to postscript converter through pango:
> https://github.com/dov/paps
> 
> Ich verwende folgende Funktionen:
> 
> (defun rcd-command-output-from-input (program input &rest args)
>    "Return output string from PROGRAM with given INPUT string and optional ARGS."
>    (let* ((output (with-temp-buffer
> 		   (insert input)
> 		   (apply #'call-process-region nil nil program t '(t nil) nil args)
> 		   (buffer-string))))
>      output))
> 
> I am too often using landscape, you can adjust it for your needs.
> 
> (defun rcd-paps-process (text &optional format title &rest args)
>    (let* ((format (or format "pdf"))
> 	 (title (or title (buffer-name)))
> 	 (length (length title))
> 	 (max 45)
> 	 (title (if (> length max) (substring title 0 max) title)))
>      (apply 'rcd-command-output-from-input "paps" text "--format" format "--landscape" "--title" title "--header" args)))
> 
> (defun string-to-file-force (string file)
>    "Prints string into file, matters not if file exists. Return FILE as file name."
>    (with-temp-file file
>      (insert string))
>    file)
> 
> (defun rcd-paps-text-to-pdf (text &optional file-name title)
>    (let* ((output (rcd-paps-process text "pdf" title))
> 	 (file-name (or file-name (concat (file-name-as-directory (getenv "HOME")) (read-string "File name without .pdf extension: ") ".pdf"))))
>      (string-to-file-force output file-name)))
> 
> (defun rcd-paps-buffer-to-pdf-view ()
>    (interactive)
>    (let ((output (rcd-paps-process-buffer))
> 	(file-name (rcd-temp-file-name nil "pdf")))
>      (sleep-for 1)
>      (start-process "evince" nil "evince" (string-to-file-force output file-name))))
> 
> 😎
> 

-- 
Kind regards

Gottfried

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Why is HTML email a security nightmare? See https://useplaintext.email/

Please avoid sending me MS-Office attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html


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RE: [External] : Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Drew Adams]

> "May contain nuts or parts of nuts" as an allergy warning on a
> candy package I bought once was translated into Spanish by
> disambiguating the nut into the bolt-and-nut side of things.

WARNING: Emacs and its community may contain nuts or
         parts of nuts.  User discretion is advised.

Re: [External] : Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[tomas]

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On Sun, Dec 18, 2022 at 03:27:03PM +0000, Drew Adams wrote:
> > "May contain nuts or parts of nuts" as an allergy warning on a
> > candy package I bought once was translated into Spanish by
> > disambiguating the nut into the bolt-and-nut side of things.
> 
> WARNING: Emacs and its community may contain nuts or
>          parts of nuts.  User discretion is advised.

:-D

Cheers
-- 
t

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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Jean Louis]

* Eduardo Ochs <eduardoochs@gmail.com> [2022-12-18 11:05]:
> Hi Jean Louis,
> 
> What are the definitions of `rcd-paps-process-buffer'
> and `rcd-temp-file-name'?

(defun rcd-paps-process-buffer (&rest args)
  (let ((text (buffer-substring-no-properties (point-min) (point-max))))
    (apply 'rcd-paps-process text args)))

(defcustom rcd-temp-file-directory "~/tmp/"
  "Temporary directory for other temporary files."
  :group 'rcd
  :type 'string)

(defun rcd-temp-file-name (&optional file-name extension)
  "Return temporary file name."
  (concat (file-truename (file-name-as-directory rcd-temp-file-directory))
	  (or file-name (format-time-string "%A-%B-%d-%Y-%H-%M-%S"))
	  "."
	  (or extension "txt")))

I hope you will get it to work, as paps gives quite good
output. Author has recently updated modification of header. My package
`rcd-paps' is not finished, it will be.

dov/paps: A text to postscript converter through pango:
https://github.com/dov/paps

-- 
Jean

Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns

In support of Richard M. Stallman
https://stallmansupport.org/

Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Jean Louis]

* Gottfried <gottfried@posteo.de> [2022-12-18 15:37]:
> How does now the program paps find my printer?

Once you generate PDF, you may preview PDF files, right?

Then you do in shell

$ lpr Your-File.pdf

or if output is ".ps" then corresponding ps file.

or you print the PDF from PDF viewer.

> Do I have to install pags in emacs?

Did you get PDF preview?

paps is program you install yes, in your system distribution.

-- 
Jean

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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Gottfried]

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Hi Jean,

how can I generate PDF?

I installed pdf-tools, but I don't know how to use it.
It said I should use

C-c C-c  to change to this mode.

When I do C-c C-c it says:


undetermined keybinding.

So I don't know how to get into pdf-tools and how to generate a pdf.


Kind regards

Gottfried


Am 18.12.22 um 18:20 schrieb Jean Louis:
> * Gottfried <gottfried@posteo.de> [2022-12-18 15:37]:
>> How does now the program paps find my printer?
> 
> Once you generate PDF, you may preview PDF files, right?
> 
> Then you do in shell
> 
> $ lpr Your-File.pdf
> 
> or if output is ".ps" then corresponding ps file.
> 
> or you print the PDF from PDF viewer.
> 
>> Do I have to install pags in emacs?
> 
> Did you get PDF preview?
> 
> paps is program you install yes, in your system distribution.
> 



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Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Jean Louis]

* Gottfried <gottfried@posteo.de> [2022-12-19 16:51]:
> Hi Jean,
> 
> how can I generate PDF?

With my package you have to use also:

GNU Emacs package: rcd-utilities.el :
https://gnu.support/gnu-emacs/packages/rcd-utilities-el.html

which is pretty personal utilities.

Then you do preview with rcd-paps.el by using:

M-x rcd-paps-buffer-to-pdf-view or just to generate PDF:

M-x rcd-paps-buffer-to-pdf

or C-u M-x rcd-paps-buffer-to-pdf as with prefix C-u you will be asked
for title, orientation and columns.

> I installed pdf-tools, but I don't know how to use it.
> It said I should use
> 
> C-c C-c  to change to this mode.

I do not know about pdf-tools.

-- 
Jean

Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns

In support of Richard M. Stallman
https://stallmansupport.org/

Re: [External] : Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Emanuel Berg]

Drew Adams wrote:

>> "May contain nuts or parts of nuts" as an allergy warning
>> on a candy package I bought once was translated into
>> Spanish by disambiguating the nut into the bolt-and-nut
>> side of things.
>
> WARNING: Emacs and its community may contain nuts or parts
>          of nuts. User discretion is advised.

But the biggest nuts don't come from American anymore but from
Europe as they try to translate computer-English which they
already understand perfectly ...

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

RE: [External] : Re: wie kann ich Emacs so einstellen, dass ich drucken kann

[Drew Adams]

> >> "May contain nuts or parts of nuts" as an allergy warning
> >> on a candy package I bought once was translated into
> >> Spanish by disambiguating the nut into the bolt-and-nut
> >> side of things.
> >
> > WARNING: Emacs and its community may contain nuts or parts
> >          of nuts. User discretion is advised.
> 
> But the biggest nuts don't come from American anymore but from
> Europe as they try to translate computer-English which they
> already understand perfectly ...

Potency, including for nuts, isn't measured only in size. ;-)