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Re: lilypond-book: final ps file has no page markers

From: Mats Bengtsson
Subject: Re: lilypond-book: final ps file has no page markers
Date: Wed, 20 Apr 2005 14:35:52 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050414

Some additional hints for the debugging: The page handling
works well as long as you don't use the flag -h psfonts,
so there's something fishy going on in that file.

At least on my system, the PS file does indeed contain %%Page:
comments, both with and without -h psfonts, so it seems that
that's not the problem.


Bernard Hurley wrote:
On Tue, 2005-04-19 at 18:34 +0100, Bernard Hurley wrote:


Using lp-book with current CVS checkout to generate a postscript file.
The file prints OK but it contains no %%Pages or %%Page comments so page
movement is disabled in gv.

There appear to be dvips options to turn off structured comments but
none to turn them on. In the dvips documentation I came across:

Using `bop-hook' or `eop-hook' to preserve information across pages
breaks compliance with the Adobe document structuring conventions, so
if you use any such tricks, you may also want to use the `-N' option to
turn off structured comments (such as `%%Page').  Otherwise, programs
that read your file will assume its pages are independent.

Looking in the final ps file I found these macros are indeed used. I
would like to investigate further as I believe a lot of GNU/Linux users
do use gv to preview postscript. Does anyone know the anwers to the

1] Where do they come from? (They are not in the fonts.ps file)

2] Are they used to preserve information across pages?

3] If the answer to [2] is "No", why are structured comments turned off?

4] If the answer to [2] is "Yes", is this really necessary?

5] How have structured comments been turned off? - The documentation
implies you need to use the -N or -K options to do this.


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        Mats Bengtsson
        Signal Processing
        Signals, Sensors and Systems
        Royal Institute of Technology
        SE-100 44  STOCKHOLM
        Phone: (+46) 8 790 8463                         
        Fax:   (+46) 8 790 7260
        Email: address@hidden
        WWW: http://www.s3.kth.se/~mabe

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