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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: 10th anniversary of the annoucement of XML ..need hel
 SoftQuad's Panorama, Synex and one other (can't remember the name now) were based on the same technologies. All could be used without a DTD but because the SGML standard stated that in order to conform to SGML it was required that you had to have a DTD, SGML Declaration and Instance. It because painfully apparent that this was not a good requirement for the web. Most people back then (10 years ago) were using dial-up (2600 baud) the overhead of downloading a document, retrieving the DTD and declaration, and parsing the document was painful at best, prone to timeouts at worst. Users didn't care that the information was parsed - they just wanted the information. It was because of the experience with Panorama that prompted the requirement for DTD to be dropped in XML. The really cool thing about these documents was the use of HyTime. It is a shame that HyTime died because the ability to create external linking documents was very useful. Organizations that used revision control systems really like the ability to create links between documents without the need to revise the linked documents. There are quite a few large organizations that are still using Panorama today, even though it is not longer supported. Betty > > On Jun 6, 2006, at 9:06 AM, Bullard, Claude L ((Len)) wrote: > >> And in IDEAS/IADS (Unisys/USAMICOM) that supported dtd-less stylesheet >> based coding. > > I forgot about IADS, but yet, that too. FWIW. EBT's DynaText did not > require DTD's (but could take advantage of them), and I think > SoftQuad could be used without them too. In all cases, the subset was > similar to XML, and in (I believe) all cases, the stylesheets were > more powerful than CSS in that they could also define hypermedia > behaviour. > >> IDEAS was the commercial version of IADS with DTD batch >> support as-needed. IADS was offered free to the world and provided an >> example for Yuri and Dr. Goldfarb that the techniques for markup that >> would become XML did work in hypermedia. > > Don't forget Steve DeRose and DynaText, which I would personally > argue was superior to SoftQuad. > >> XML is outcome of many separate efforts to make SGML suitable for >> hypert > > Yep, and led by people wanting more powerful capabilities than those > offered by HTML etc. Even now many of the core benefits that were > desired are missing in the WWW. > > The fact is that anyone with a reasonable amount of SGML experience > ended up using a core subset similar to XML. Ultimately there was > little new in XML, because it was based on something with a fairly > long history. Some things, like I18N and explicit DTD-less support > were good additions. > > > ----------------------------------------------------------------- > The xml-dev list is sponsored by XML.org <http://www.xml.org>, an > initiative of OASIS <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To subscribe or unsubscribe from this list use the subscription > manager: <http://www.oasis-open.org/mlmanage/index.php> > 
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