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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: DTDs, W3C Schemas, RELAX NG, Schematron?
"Bullard, Claude L (Len)" <clbullar@i...> wrote:
|> DTDs for entities and other such things are probably dying.
Mainly from a lack of understanding.
| I can't say I will mourn those.
For text entities ("parsed entities" in XML-lingo), I agree. But I've
found notated entities very useful. That's a closed door to XML, though,
because it doesn't have data attributes.
| They have always been hard to explain to a reasonable programmer and
| close to impossible to the technical writers until they use them for
| awhile.
For text entities, much of the time I've found the light going on at the
mention of '#define' and '#include'. Notated entities have been much more
difficult. In general, I've found comprehension severely compromised by
prior exposure - almost inevitable - to the tag soup of the HTML world.
"What's the big deal with all these tags?"[1] degenerates into "why can't
everything be a tag?"[2]
So, it's open season for reinvention.
[1] See the first Q/A in Part 5 of:
http://www.flightlab.com/~joe/sgml/faq-not.txt
[2] See this example of "helpful" documentation, wherein the anxious are
offered the relief that something doesn't "require a closing tag":
http://msdn.microsoft.com/workshop/author/dhtml/reference/objects/doctype.asp
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