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Topic: DTD


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In the News (Sun 15 Nov 09)

  
  Document Type Definition - Wikipedia, the free encyclopedia
A Document Type Definition (DTD for short) is a set of declarations that conform to a particular markup syntax and that describe a class, or "type", of SGML or XML documents, in terms of constraints on the structure of those documents.
A DTD may also declare default attribute values, named entities and their replacement text, and other constructs that are not always required to establish document structure, but that may affect the interpretation of some documents.
A DTD is associated with a particular document via a Document Type Declaration, which is a bit of markup that appears near the start of the associated document.
en.wikipedia.org /wiki/Document_Type_Definition   (1107 words)

  
 The HTML Writers Guild Project Gutenberg DTD 1
A descrition of this DTD is given here.In order to use this dtd a copy of the 'poemfrag' dtd must be in the same folder.
No narrative descrition of this DTD is available at present, but it has the same general structure as the other DTD's.In order to use this dtd a copy of the 'playfrag' dtd must be in the same folder.
DTD's and Schemas can be used to impose an order on a document, and this is exactly what we want to do at the top level of the document, where we want to make sure all the markup blurbs and e-text blurbs are included.
gutenberg.hwg.org /gutdtds1.html   (1007 words)

  
 DTD
The DTD defines which elements appear in a document, which attributes can be assigned to an element, and which elements appear inside other elements.
Few good explanations of XML 1.0 DTDs exist; so far the best one I have found is in Chapter 5 of XML: A Primer.
I don't know why the DTD is so limiting, but it is. This means that elements that have #PCDATA can be extended to have elements, but at the cost of making the DTD ambiguous -- you can't say that an element can only have, say, one tag.
www.devguy.com /fp/XML/dtd.htm   (1853 words)

  
 XML.com: Describing your Data: DTDs and XML Schemas   (Site not responding. Last check: 2007-11-07)
DTDs have been around for over twenty years as a part of SGML, while XML Schemas are relative newcomers.
DTDs are here-and-now, while XML Schemas, in large part, are for the future.
Two parsers, given a document and a DTD, should have the same opinions about whether that document is valid, and different schema processors should similarly agree on whether or not a document conforms to the rules in a given schema.
www.xml.com /pub/a/1999/12/dtd   (2256 words)

  
 Datatype- and namespace-aware DTDs
DTD tends to have the weakest expressive power because of its shortcomings in datatypes and constraints and its minimal schema structures, while XML Schema appears to have the strongest expressive power.
We wrote a DTD++ version of the XHTML trying to merge the constraints specified in the XML Schema with the specification style of the DTD, obtaining a DTD++ specification which is semantically equivalent to the XML Schema and is exactly as long as the DTD (577 lines).
DTD subsets are required when using general entities, and some parsers get overly confused dealing with entities defined in a DTD, and elements and attributes in a different schema document.
www.mulberrytech.com /Extreme/Proceedings/html/2003/Gessa01/EML2003Gessa01.html   (4812 words)

  
 DTD - a Whatis.com definition - see also: Document Type Definition   (Site not responding. Last check: 2007-11-07)
A Document Type Definition (DTD) is a specific document defining and constraining definition or set of statements that follow the rules of the Standard Generalized Markup Language (SGML) or of the Extensible Markup Language (XML), a subset of SGML.
A DTD is a specification that accompanies a document and identifies what the funny little codes (or markup) are that, in the case of a text document, separate paragraphs, identify topic headings, and so forth and how each is to be processed.
By mailing a DTD with a document, any location that has a DTD "reader" (or "SGML compiler") will be able to process the document and display or print it as intended.
whatis.techtarget.com /definition/0,289893,sid9_gci213918,00.html   (314 words)

  
 A Document Type Definition (DTD) Tutorial
A DTD defines the legal elements and their structure in an XML document.
DTD standards are defined by the World Wide Web Consortium (W3C).
DTDs can be declared inline in your XML code or they can reference an external file.
www.thescarms.com /XML/DTDTutorial.asp   (774 words)

  
 HTML Unleashed. SGML and the HTML DTD: Document Type Definition for HTML 4.0 - webreference.com
The entities used in DTD are called parameter entities, as opposed to general entities intended for use in HTML documents and not in DTD.
The use of a URL as a DTD identifier is rather unusual (it is probably explained by the fact that, at the time of this writing, HTML 4.0 DTD was still evolving).
As a result, the DTD is protected from the special characters, while in the document the references are expanded to the characters intended.
www.webreference.com /dlab/books/html/3-5.html   (2973 words)

  
 [No title]
The effective DTD is thereby augmented by the parameter entity values and any other declarations of the book's internal subset.
When a given parameter entity declaration appears more than once in the external modules and the dtbook DTD, the first occurrence of that declaration is the one that takes effect, with modules in the internal subset being processed in order, before the DTD itself.
Thus the declarations from the module containing the drama and poem tags are included along with the tags in the base DTD (that is dtbook110.dtd) that are not duplicated or redefined in the drama module.
www.loc.gov /nls/z3986/v100/dtbook110.dtd   (3855 words)

  
 WDVL: Introduction to XHTML: Document Type Definitions
A Document Type Definition (DTD) is used by SGML applications, e.g.
When an XHTML document is created, the DTD to which it conforms is declared in a document type declaration at the top of the document.
Each DTD may be recognized by a unique label called a formal public identifier, or FPI.
www.wdvl.com /Authoring/Languages/XML/XHTML/dtd.html   (364 words)

  
 rpbourret.com - Declaring Elements and Attributes in an XML DTD
This paper is designed to introduce the reader to the grammar used in XML DTDs to declare elements and attributes.
For a complete definition of the DTD grammar, see the XML specification or the annotated XML specification.
The DTD is either contained in a tag, contained in an external file and referenced from a tag, or both.
www.rpbourret.com /xml/xmldtd.htm   (1109 words)

  
 A List Apart: Articles: Validating a Custom DTD
A Document Type Definition (DTD) is a file that specifies which elements and attributes exist in a markup language and where they can appear.
For each attribute, you need to specify which element it goes with, what the attribute name is, what type of values it may have, and whether the attribute is optional or not.
The solution is to use a different validator which will actually go out to the URL that you have specified and use it to check whether your document is valid or not.
www.alistapart.com /articles/customdtd   (1338 words)

  
 WDVL: Document Type Definition
A DTD is a "Document Type Definition" which specifies the syntax (grammatical structure) of a web page in SGML, the Standard Generalised Markup Language - of which HTML is an application.
Each DTD may be recognized by a unique label called a formal public identifier or FPI [public use of a DTD implies some measure of universal availability].
When an HTML document is created, the DTD to which it conforms is declared in a document type declaration at the top of the document.
wdvl.internet.com /Authoring/HTML/Validation/DTD.html   (566 words)

  
 DTDParser   (Site not responding. Last check: 2007-11-07)
DTD parsers for Java seem to be pretty scarce.
To use the DTD parser, you just need to create a java.io.Reader for reading the DTD, then create an instance of com.wutka.dtd.DTDParser passing the Reader to the constructor, and call the parse method.
The parser returns a DTD object, which is similar to the Document object in the DOM model.
www.wutka.com /dtdparser.html   (192 words)

  
 DOCTYPE Declaration & DTDs
The DTD defines the constraints on the structure of an XML document.
External DTDs are useful for creating a common DTD that can be shared between multiple documents.
The internal DTD subset is specified between the square brackets of the DOCTYPE declaration.
xmlwriter.net /xml_guide/doctype_declaration.shtml   (539 words)

  
 Journal Publishing DTD
The DTD was constructed using the modules of the Archiving and Interchange DTD Suite and has been modeled along the same philosophical lines as the Archiving and Interchange DTD, which is a DTD for interchange and storage of journal material.
The philosophy of this DTD is to prefer a single structural form, or at least a single style of tagging to simplify the creation of content in XML.
This DTD was constructed using the modules in the Archiving and Interchange DTD Suite.
dtd.nlm.nih.gov /publishing   (972 words)

  
 Archiving and Interchange DTD
This DTD was created from the Journal Archiving and Interchange DTD Suite, which provides a set of XML modules that define elements and attributes for describing the textual and graphical content of journal articles as well as some non-article material such as letters, editorials, and book and product reviews).
The intent of this DTD Suite is to preserve the intellectual content of journals independent of the form in which that content was originally delivered.
The Archiving and Interchange DTD may be used as is, or the Suite can be used to construct DTDs for authoring and archiving journal articles as well as DTDs for transferring journal articles from publishers to archives and between archives.
dtd.nlm.nih.gov   (1212 words)

  
 ZeeRex: The ZeeRex DTD
The ZeeRex SGML DTD is maintained by Rob Sanderson based on exensive discussions with the ZeeRex working group.
Up to and including version 1.6 of the DTD, the ZeeRex specifications were known by the name ``Explain--'', so all the versions of the DTD up to that point are named accordingly.
The ZeeRex DTD Commentary, explaining the structure of ZeeRex records and giving rationales for some of the decisions that we took in arriving at the current version.
explain.z3950.org /dtd   (398 words)

  
 [Bug-gnupedia] Using the TEI Lite DTD for encoding encyclopedia
I have been working previously on an encyclopedia project and decided to follow the recommandations of the Text Encoding Initiative (TEI, look at http://www.tei-c.org/ for details).
The header describes the project, who has done the text, what is the authority of the person, and the list of changes, availability, etc. All this is well structured and should be there for the document to be "valid" (in the XML DTD sense).
DTD are just designed to turn conventions into syntax verified by tools and not by people.
lists.gnu.org /archive/html/bug-gne/2001-01/msg00232.html   (440 words)

  
 What's New, US Global Change Research Program   (Site not responding. Last check: 2007-11-07)
In this notice (dtd 1 June 2005) the CCSP Workshop Program Committee invites presentations by users of climate science as well as members of the research community on topics related to the major themes of the workshop.
Oceans turning to acid from rise in CO Press release (dtd 30 Jun 2005) from Carnegie Institution.
Announces publication (dtd March 2005) of Climate Change: Risk and Vulnerability [PDF], report to the Australian Greenhouse Office, Department of the Environment and Heritage, by The Allen Consulting Group.
www.usgcrp.gov /usgcrp/new.htm   (5590 words)

  
 RSS 0.91 Spec, revision 3   (Site not responding. Last check: 2007-11-07)
This means that it is not enough for an RSS document to be "well-formed".
This is both because we want to keep the format simple, and because our current validation system is not able to handle this type of tag.
However, DTD's do not provide any support for common validation requirements, such as data types, length of strings, number of sub-elements, or pattern matching.
my.netscape.com /publish/formats/rss-spec-0.91.html   (1327 words)

  
 EAD DTD Version 2002   (Site not responding. Last check: 2007-11-07)
As you begin to implement this version of the EAD DTD, keep in mind that it is the product of a lengthy development effort during which many options and models were considered.
The EAD DTD was designed to be somewhat prescriptive, providing and in some cases requiring that finding aids be structured in a particular way.
The EAD DTD is not set in stone but will be enhanced in the future based on the experiences of its users.
www.loc.gov /ead/ead2002a.html   (1001 words)

  
 IEEESTD V3.0 DTD   (Site not responding. Last check: 2007-11-07)
This DTD is intended to allow both new standards to be edited and legacy data to be handled.
Therefore it has to cope with all the different ways the standards were written in the last couple of decades.
WARNING: This DTD has been designed to aid in the development of IEEE standards via the SPAsystem (TM).
standards.ieee.org /resources/spasystem/dtd   (168 words)

  
 W3C QA - Recommended list of DTDs you can use in your Web document.   (Site not responding. Last check: 2007-11-07)
DTD List· more DTDs· Full list of DTDs· Template·
Recommended DTDs to use in your Web document.
When authoring document is HTML or XHTML, it is important to Add a Doctype declaration.
www.w3.org /QA/2002/04/valid-dtd-list.html   (338 words)

  
 Zthes - XML DTD and Examples   (Site not responding. Last check: 2007-11-07)
This DTD was supplied by Thomas Place, and is lifted from Appendex B.1 of version 0.3b of the profile.
It is put forward not as a ``good'' XML representation of thesaurus information (whatever that might be construed to mean) but as a pragmatically valuable alternative encoding of the Zthes abstract record.
I've made the trivial changes to bring it up to version 0.5 of the DTD, in which it is a single document.
zthes.z3950.org /xml   (241 words)

  
 The Cover Pages: More than one DTD
Example: "This DTD's origin is unknown [ == The origin of this DTD is unknown]." DTD's could also represent a contraction for "DTD is".
This could happen because the character string 'DTDs' is typically pronounced or sub-vocalized as a three-syllable word highlighting the alphabetic letters: "dee-tee-dee(z)".
The phenomenon of "referenced letters," however, is fundamentally irrelevant to the use of 'DTD' in its plural formation: with 'DTDs' we are talking about usage, not reference.
xml.coverpages.org /properSpellingForPluralOfDTD.html   (1024 words)

  
 XML.com: From DTDs to Documents
Legibility includes all the physical characteristics of the DTD itself: liberal use of whitespace, for example, and comments (especially explaining the nasty little bits whose purpose you're likely to forget in six months).
A modularized DTD is one that you have, to the extent possible, broken into DTD fragments, which can then be included in a main DTD using external parameter entities.
Such DTD fragments are much easier to update and much easier to share and can be assembled in all kinds of interesting ways, perhaps even by DTDs that you yourself don't devise.
www.xml.com /pub/2000/09/27/qanda.html   (1041 words)

  
 XML.com: Converting an SGML DTD to XML   (Site not responding. Last check: 2007-11-07)
From the perspective of the DTD, this is a minor change, but it may have some effect on your documents.
An equivalent document that is valid according to the XML DTD in Figure 2 is shown in Figure 4.
The XML Schema discussion is just starting and within a couple of years we may have a complete DTD replacement for XML that includes equivalent support for some of the SGML features lost in XML DTDs and support for new features like proper data typing.
www.xml.com /xml/pub/98/07/dtd   (2348 words)

  
 Encyclopedia Conversion
SGML achieves this structure with a Document Type Definition (DTD), which is tailored to specific kinds of documents (encyclopedias vs. dictionaries vs.
This is comprised of some photocopied encyclopedia pages with tag names written in the margins, so we know how the customer wants the data tagged.
You might think this can be determined from the DTD, but there are always ambiguities.
www.dclab.com /encyclopedia.asp   (1610 words)

  
 dtd   (Site not responding. Last check: 2007-11-07)
Putting the XML Prolog before the The dtd cause the browser to run in Quirks Mode.
The dtd's for Xhtml 1.1 are a lot more complicated.
Learn More about XHTML 1.1 DTD Module Implementations.
nemesis1.f2o.org /dtd   (207 words)

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