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Re: [xsl] line-breaking and hyphenation in XSL-FO


Subject: Re: [xsl] line-breaking and hyphenation in XSL-FO
From: "J.Pietschmann" <j3322ptm@xxxxxxxx>
Date: Fri, 07 Mar 2003 20:35:44 +0100

Mukul wrote:
read that FOP uses TeX algorithm to wrap lines
Oops, unfortunately this is wrong.

I could not find mention of TeX in XSL-FO spec. Are FO
implementation free to use TeX or possibly other
typesetting standards?
You are making up things. TeX is not a standard in the sense
that it isn't approved by any of the recognized standard
bodies.
TeX is a program system for typesetting, and it broke many
new grounds in computer typesetting, in particular the
paragraph filling and the hyphenation algorithms developed
for TeX are still the best for their respective purposes.
XSLFO leaves many details for the implementation, sometimes
this is made explicit, often this can be guessed from the
absence of any advice. Hyphenation is explicitely left to
the implementation, line breaking implicitely (they could
have mentioned TR14 though, given the extensive reference
to TR9).

But I have found that
hyphenation properties in XSL-FO spec closely
resembles TeX algorithm. Was XSL-FO line-breaking and
hyphenation specs written keeping TeX in mind?
The hyphenation properties had been chosen because they
were used in lead typesetting for more than hundred years.

J.Pietschmann


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