[9fans] Inferno /sys/doc: PDFs are actually PS?

[9fans] Inferno /sys/doc: PDFs are actually PS?

[Pietro Gagliardi]

Hello. I tried to see the Inferno document "An Overview of Limbo/ 
Tk" (inferno_root/doc/limbotk/tk.pdf) with page, and it looks blurry.  
So I decided to put it on my Mac OS X, and Adobe Reader didn't open  
it. I then found it was a ps file, not a PDF file. Why does Inferno  
use the .pdf extension, then?

PS - I converted the PS to a PDF with Mac OS X and it it still  
blurry :-( The Inferno distribution doesn't come with any images so I  
can't rebuild from the troff source.

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Uriel]

This has been discussed in the past in the proper place for it: the
inferno-list.

And no, I don't remember why there are postscript files with .pdf
extension, and obviously have no clue why this has not been fixed.

uriel

On Jan 18, 2008 3:18 AM, Pietro Gagliardi <pietro10@mac.com> wrote:
> Hello. I tried to see the Inferno document "An Overview of Limbo/
> Tk" (inferno_root/doc/limbotk/tk.pdf) with page, and it looks blurry.
> So I decided to put it on my Mac OS X, and Adobe Reader didn't open
> it. I then found it was a ps file, not a PDF file. Why does Inferno
> use the .pdf extension, then?
>
> PS - I converted the PS to a PDF with Mac OS X and it it still
> blurry :-( The Inferno distribution doesn't come with any images so I
> can't rebuild from the troff source.
>
>

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Charles Forsyth]

> Why does Inferno  
> use the .pdf extension, then?

that's what gs produced on plan 9 when i asked for pdf.
i tried another program elsewhere, probably gs on linux, but it didn't fare any better.
i should probably try the adobe site that converts single documents, if that's still there.
i'm reluctant to buy a new acrobat copy just for one file.
they lost my vote when they added javascript.

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Wes Kussmaul]

Charles Forsyth wrote:

> i should probably try the adobe site that converts single documents, if that's still there.
> i'm reluctant to buy a new acrobat copy just for one file.

OpenOffice Writer can output to pdf.


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Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Martin Neubauer]

* Wes Kussmaul (wes@authentrus.com) wrote:
> OpenOffice Writer can output to pdf.

But can it input from ps (or troff output?)

	Martin

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Alexander Sychev]

On Fri, 18 Jan 2008 14:24:31 +0300, Charles Forsyth  
<forsyth@terzarima.net> wrote:

>> Why does Inferno
>> use the .pdf extension, then?
>
> that's what gs produced on plan 9 when i asked for pdf.
> i tried another program elsewhere, probably gs on linux, but it didn't  
> fare any better.
> i should probably try the adobe site that converts single documents, if  
> that's still there.
> i'm reluctant to buy a new acrobat copy just for one file.
> they lost my vote when they added javascript.

BTW, what a type of source files? Are they the TeX-files? In such case  
.pdf might be produced by pdflatex ;-).


-- 
Best regards,
   santucco

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Pietro Gagliardi]

They are troff(1) source files using the ms(6) macro set (the  
extension .ms). Man pages on Plan 9, though :-) TeX is available for  
Plan 9, though

On Jan 18, 2008, at 10:15 AM, Alexander Sychev wrote:

> On Fri, 18 Jan 2008 14:24:31 +0300, Charles Forsyth  
> <forsyth@terzarima.net> wrote:
>
>>> Why does Inferno
>>> use the .pdf extension, then?
>>
>> that's what gs produced on plan 9 when i asked for pdf.
>> i tried another program elsewhere, probably gs on linux, but it  
>> didn't fare any better.
>> i should probably try the adobe site that converts single  
>> documents, if that's still there.
>> i'm reluctant to buy a new acrobat copy just for one file.
>> they lost my vote when they added javascript.
>
> BTW, what a type of source files? Are they the TeX-files? In such  
> case .pdf might be produced by pdflatex ;-).
>
>
> -- 
> Best regards,
>   santucco

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Anant Narayanan]

> that's what gs produced on plan 9 when i asked for pdf.
> i tried another program elsewhere, probably gs on linux, but it  
> didn't fare any better.

gs on linux comes with a tool `ps2pdf' which seems to work fine on the  
inferno documents.

--
Anant

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Russ Cox]

> that's what gs produced on plan 9 when i asked for pdf.
> i tried another program elsewhere, probably gs on linux, but it didn't fare any better.
> i should probably try the adobe site that converts single documents, if that's still there.
> i'm reluctant to buy a new acrobat copy just for one file.
> they lost my vote when they added javascript.

ps2pdf works fine on Plan 9: I just tested it on tk.ps.
The result is at http://swtch.com/tk.pdf

Judging from the contents of the current tk.pdf, it looks
like you might have slipped and run 

	pdf2ps tk.ps tk.pdf

instead of

	ps2pdf tk.ps tk.pdf

The names of the commands are slight misnomers.
Only the ``2xxx'' part matters: they both accept either PS or PDF
as input.  If you type the wrong one, then GhostScript 
blindly converts PS -> PS or PDF -> PDF.  
The current tk.pdf is definitely the output of GhostScript's PS writer.

Russ

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Charles Forsyth]

> Judging from the contents of the current tk.pdf, it looks
> like you might have slipped and run [pdf2ps]

of course, thank you; the error was in the mkfile and i didn't notice the implausible name
when it ran.  perhaps i then dutifully copied the same name if i ran it by hand on linux systems,
although i thought i'd snarfed and sent darren bane's suggested command for plan9ports.
a little mystery but who really cares?  i'll ship the updated pdf

Re: [9fans] Inferno /sys/doc: PDFs are actually PS?

[Charles Forsyth]

> a little mystery but who really cares?

in retrospect i'm surprised that pdf2ps didn't complain about the
postscript input but perhaps that operation makes sense (from a computer's point of view)