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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Typing and paranoia
 Been there. Note, for example, the problems of subsetting, billion laughs, recursion, and so on. One says, we can solve these in the code. Another says, declarative means can be used. It seems that the SGML Declaration functionality or something like it just won't go away. As we go, we seem to rediscover more and more of SGML. I doubt we are done with the core XML specification but I do think we must be very careful because there are definitely opposing views about what should be included moving forward. Will the goal of reduced complexity in the core lead to more complexity in the applications? Markup is bigger than SGML though. Markup just doesn't have a definition stronger than "text with a namespace and reserved characters" unless one tosses in structure and structure leads to the problems. That doesn't mean it isn't useful; just that it starts the path toward externally declared schemata and that toward 'types'. But otherwise, markup is only a namespace above delimited ASCII, arguably the most used form of text-based interchange. All of these, including the infosets, are demonstrably useful in proper contexts. What we should be strict about is proper contexts. I sometimes despair that the often sensible advice to "dare to do less" for each specification can in aggregate, lead to a loss of rigor nd that to ambiguity and complexity. There just ain't no free lunch. len From: Simon St.Laurent [mailto:simonstl@s...] clbullar@i... (Bullard, Claude L (Len)) writes: >The "essence"? Disapprovingly? No. I >simply don't like to see the clarity of >the XML 1.0 specification muddied by attempts >to use XML as a brand name for platforms. >That's retrograde. That's a lot of why I'm talking less and less about XML and more and more about markup. I've found that it's a much freer generic universe, one where developers can focus on the work once again without concern for all the stories they've heard about the XML brand. It makes it much easier to get past various flavors of propaganda. Mike quoted Martin Gudgin: >My objective is very much like Tim's -- to maximize the value of the >XML "brand name". That requires careful consideration of what is of >the essence. As much as I like Martin, his refining of the "essence" corresponds alarmingly well with my understanding of "dilution". Strange world sometimes. 
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