Re: (dsssl) DSSSL primer?

Subject: Re: (dsssl) DSSSL primer?
From: Tony Graham <Tony.Graham@xxxxxxxxxxxxxxx>
Date: Thu, 6 Sep 2001 11:53:46 +0100
janusz.prusaczyk@xxxxxx wrote at  6 Sep 2001 11:22:31 +0200:
 > I did try to use OpenJade before with some simple files, with some success.
 > But that time my files were in different Windows encodings and I did not
 > know how to make Jade accept them, so I used XSL.
 > Yesterday I downloaded HyBrick and I thought it is good opportunity to learn

AFAIK, HyBrick is based on Jade, so you're still using Jade, just an
earlier version than OpenJade.

 > more about DSSSL. So I have a few questions:
 > 1.	Is there some kind of primer/handbook/specification of DSSSL
 > available for downloading?

See for the best list of
DSSSL material that I know of.

 > 2.	Now all my files are in UTF-8 encoding. Tony Graham explains that
 > you need to set system 
 > 	variable SP_ENCODING to UTF-8 to process such files. Anything else
 > one should know about
 > 	working with such encoded files?

Not to my knowledge.

 > 3.	I am using different scripts, mostly Chinese, some Hebrew and
 > Arabic. Is it any problem?
 > 	(I mean having the glyphs correctly displayed, and right to left
 > direction handling.
 > 	Target format will be RTF and MIF.)

That probably depends on your version of Word or FrameMaker.

The example in "Unicode: A Primer" includes Japanese, Cyrillic, and
Hebrew.  The Hebrew in the example did not appear in the correct
visual order when I tried it with Word 97.  It's possible that Word
2000 does a better job (but that would be a task for a second

 > 4.	I am going to use some home made true type fonts encoded in user
 > area of unicode (it is 
 > 	going to be cuneiform)? Will Jade process it?

Try them and see.

 > 5.	Is DSSSL offering means of typesetting in top-to-bottom direction?
 > (Mongolian in Uighur 
 > 	script) Or maybe combining glyphs in groups (Something like egyptian
 > hieroglyphs - they 
 > 	are written from right to left, or from left to right, but some of
 > them are placed over 
 > 	others, sometimes glyphs cross each other)? I know this is stupid
 > question, as RTF or MIF 
 > 	do not allow such things, (do they? But for example TeX, postscript
 > do allow this.) but 

There's no point comparing DSSSL and PostScript.

 > 	maybe somebody who has something wise to tell on this subject will
 > use this question as
 > 	pretext. 

DSSSL? yes.  Jade/HyBrick/OpenJade? no.

DSSSL was designed to support all manner of writing directions, but
that doesn't mean that Jade implements them, especially since Jade's
backends don't necessarily support them.


Tony Graham
XML Technology Center - Dublin        mailto:tony.graham@xxxxxxxxxxxxxxx
Sun Microsystems Ireland Ltd                       Phone: +353 1 8199708
Hamilton House, East Point Business Park, Dublin 3            x(70)19708

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