Re: EMBED and validation
On Dec 1, 11:22am, Rob McDougall wrote: > Subject: RE: EMBED and validation > I'm new to XML but this doesn't seem to accomplish what I would be > looking for as an "include" capability. no, EMBED is _not_ an include facility. External text entities are. > Let's say I have a markup language (let's call if RML, "Rob's Markup > Language"). I create a DTD for it and post it to my public web site. > All users of RML put the URL for the DTD in the <!DOCTYPE> declaration. > So far so good? yep. > Now, if one particular user of RML notices that there's a section that's > common across every one of their RML documents, they might wish to > seperate it out into a distinct file and insert a link to it. This > common piece is not a complete document unto itself so it cannot be > validated, yet the user may wish to have the documents that include make > sure that it is valid within the context that it was embedded. Since > this particular file is unique to this user and not all RML users, it > does not belong in the commono DTD. This would seem to make an external > text entity undesireable for this case. Right. That's why XML has the "internal subset. You put the any _per-document_ declarations there, (inside the square brackets of the doctype) and they augment the DTD, without removing it. > Is this correct, or am I missing something? Is there any other way to > accomplish this using the current XML/XLL specs? No; Yes; Yes. for example, you might have: <!doctype RML SYSTEM "some:URL/goes/here" [ <!ENTITY boilerplate SYSTEM "http://Joes-server.isp.com/disclaimer"> ]> .... later on in your document ... &boilerplate; The entity reference to "boilerplate" will include the whole disclaimer without having to change the DTD, or fill it with weird private information. Is this good enough? ------------------------------------------+---------------------------- David Durand dgd@c...| david@d... Boston University Computer Science | Dynamic Diagrams http://www.cs.bu.edu/students/grads/dgd/ | http://dynamicDiagrams.com/ | MAPA: mapping for the WW xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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