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From: rodd@panix.com (Rod Dorman)
Newsgroups: comp.lang.postscript
Subject: Re: What's postscript's basic algorithm?
Date: Wed, 14 Sep 2011 18:21:16 +0000 (UTC)
Organization: Public Access Networks Corp.
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In article <j4pppg$4i0$1@dont-email.me>,
NoHtmlMailsPlease <UsePlainText@dog.edu> wrote:
>  ...
>I'm trying to have my pdf-text do page-breaks at paragraph-breaks.
>And experimenting with `gs <my ps file> `  gets my stuck at
><position x,y to new-line> where, working from 1st principles leads to:
>lineStart -> Xcoodinate ; CurrentY - FontSizePlusextra -> Ycoordinate
>which seems absurdly "indirect".
>
>So far I haven't found the <relative move Y down to next line based
>on currentFontSize>

And its quite possible there isn't any. Most word processing and page
layout programs allow you to set the leading to something other than
the font size.

Column balancing is another case where vertical positioning won't be
simple.

>This stuff looks like a canOworms which could consume a lot of time
>if allowed to.

Well sure, PostScript is a programming language and like most of them
theres more than one way of writing the program so it ain't gonna be
easy to analyze the program to figure out what's a 'paragraph'.

-- 
					-- Rod --
rodd(at)polylogics(dot)com