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Moving From HTML to XHTML - ...nd demands for new features that go beyond presenting documents.
The World Wide Web Consortium (W3C) is rebuilding HTML on a new foundati...
HTML and XHTML Application Possibilities - ...ement. Understanding the connections between the architectural and stylistic
changes may help you find more immediate benefits from XHTML –...
Coding Styles HTMLs Maximum Flexibility - ...ns, so it may
take a while for the transition to occur. Pure XHTML user agents (also known as XHTML processing
software) aren't l...
XML and XHTMLs Maximum Structure - ...s shouldn't cause more than minor inconveniences – at least
for newly created documents.
Note
If reading this chapt...
XML and CDATA - ...tates their contents. The first bit of text before a space appears in a PI is called
the target. The target must start with a letter, unde...
lang Internationalization - ...Unicode makes it possible for all of these forms to exist within a single document. In
addition, XML and XHTML allow for the possibility of other e...
Anatomy of an XHTML Document - ...s that exist in current browsers. In
turn, you discover how prepared and unprepared various tools are for XHTML.
Note
Som...
Converting to strict HTML and XHTML - ...ding the HTML opening tag and the HEAD element and its
contents, is fine except for one line. The SCRIPT element no longer supports a LANGUAGE at...
Reading the XHTML DTDs A Guide to XML Declarations - ...h; and the increased
emphasis on validation may lead developers to explore them more closely. Making good use of XHTML
1.1 requires some level of ...
Defaulting attribute values XHTML DTDs - ...In the img element,
for instance, the src and alt attributes are required (#REQUIRED); meanwhile, most of the rest of its
attribute content is optio...
Exploring the XHTML DTDs - ...ML usage much more accurately. Appendix A lists the
in the three different DTDs, along with notes regarding attributes.
To identify the DTD for a ...
Building XHTML DTD Structure Element and Attribute Declarations - ...zation
process that XHTML 1.1 will perform. If you have trouble getting your XHTML documents to validate,
you need to explore this portion of the ...
Style Sheets and XHTML - ...ou master a few
key structures and learn to apply its vocabulary. There are some real problems with existing CSS
implementations that I cover later...
Formatting Content with CSS Properties - ...ibe
precisely how you want the pieces of your document formatted and to override the rules by which HTML
is presented normally.
<...
Using XHTML in Traditional HTML Applications - ... come with every new
standard and every new browser. Some of the challenges XHTML presents are familiar, although a few
new twists brought on by XH...
Fixing Static HTML - ...le. However, let me give you some answers to better soothe your fears and to justify
to management why you should make the jump to XHTML.
XHTML pr...
Using a Tool to Convert Your HTML Documents to XHTML - ... Uppercase versus lowercase elements and attributes - Quotes around attribute values - Adding correct XHTML declarations and namespaces when prompted...
Fixing HTML Generating Code - ... generates HTML isn't nearly as predictable. You may think you've found
all the glitches in the HTML it generates, and converted it to XHTML, but va...
Strategies for Managing XHTML Generation Code - ...in the long run.) Pretty much all of the techniques that work with HTML work with XHTML, but
you may want to incorporate more of an XHTML-orientati...
Moving Forward into XML Using XSL to Generate XHTML - ...matting tools, but they have application to XHTML work as well. XSLT is probably more interesting to
developers who want to work with the HTML voca...
Integrating the DOM with XHTML Generation - ...ng
with XSLT, if you find it appropriate.
Perhaps ironically, documents created with cascading style sheets in mind, which make great us...
Creating Extensible Document Structures with XHTML - ...ible for XHTML. The housecleaning performed so far is only the start – a full remodeling of HTML is
on the way. The W3C firmly believes that ...
HTTP Content Negotiation and Context Tangles - ...icant new complexities – some of which threaten the rough unity the Web
has enjoyed up until now.
The first, and probably easier problem, inv...
Fragmenting XHTML - ... specs are a
daunting collection of rules (and the application of those rules) that applies to the XHTML vocabulary.
Fortunately, while the rules m...
XML DTD Modules - ...meter
entities to create customizable descriptions of document structures. Parameterization is extremely
powerful, but it does take some ...
latest articles under "HTML XHTML and CSS"
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Below is a list of all HTML XHTML and CSS articles. If you want to find a tutorial by keywords, all you have to do is a quick search in our directory. Just use the search option available at the top-right side of the page. The website search is powered by web-articles. Or, if you want to read specific HTML XHTML and CSS tutorial, just point to it. The newest articles and tutorials are shown first in the list. To access the last ones, browse the pages 2, 3, 4... at the bottom. Also, you may browse articles alphabetically ordered.
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Enter page# 1 2 3 (last added articles shown first)
Below is a list of all HTML XHTML and CSS articles. If you want to find a tutorial by keywords, all you have to do is a quick search in our directory. Just use the search option available at the top-right side of the page. The website search is powered by web-articles. Or, if you want to read specific HTML XHTML and CSS tutorial, just point to it. The newest articles and tutorials are shown first in the list. To access the last ones, browse the pages 2, 3, 4... at the bottom. Also, you may browse articles alphabetically ordered.
Page# 1 2 3 (last added articles shown first)
Moving From HTML to XHTML (06/02/2007)
(...) While XHTML is mostly compatible with HTML, many older HTML documents decidedly are not compatible with XHTML. Some developers, notably those creating dynamic HTML documents, already have encountered the need for stricter and more consistent structures. It's very hard to create 'dynamic' documents if the scripting logic can't consistently reference points in a document. (...)
(...) While XHTML is mostly compatible with HTML, many older HTML documents decidedly are not compatible with XHTML. Some developers, notably those creating dynamic HTML documents, already have encountered the need for stricter and more consistent structures. It's very hard to create 'dynamic' documents if the scripting logic can't consistently reference points in a document. (...)
HTML and XHTML Application Possibilities (06/02/2007)
(...) Some Web browsers enable users to edit HTML and send it back to a server; but the editor is more or less a separate application useful only for editing HTML, not general-purpose interaction with a server application. XHTML provides a transition from the HTML model for Web applications to the more powerful and more flexible XML model. While XHTML applications will start out much like HTML applications, XHTML will enable application developers to integrate XML tools with the HTML vocabulary. (...)
(...) Some Web browsers enable users to edit HTML and send it back to a server; but the editor is more or less a separate application useful only for editing HTML, not general-purpose interaction with a server application. XHTML provides a transition from the HTML model for Web applications to the more powerful and more flexible XML model. While XHTML applications will start out much like HTML applications, XHTML will enable application developers to integrate XML tools with the HTML vocabulary. (...)
Coding Styles HTMLs Maximum Flexibility (06/02/2007)
(...) As XHTML becomes more widespread, vendors hopefully will provide many of the tools just described to enable you to work more efficiently without having to build your own tools. Tip If you need to track down XML development tools and software, try http://www.xmlsoftware. (...)
(...) As XHTML becomes more widespread, vendors hopefully will provide many of the tools just described to enable you to work more efficiently without having to build your own tools. Tip If you need to track down XML development tools and software, try http://www.xmlsoftware. (...)
XML and XHTMLs Maximum Structure (06/02/2007)
(...) 0. While some of these issues may require developers to rethink the way they create documents, they generally don't cause problems for older browsers. Case matters XML is case-sensitive and it treats IMG and img as two different element names entirely. (...)
(...) 0. While some of these issues may require developers to rethink the way they create documents, they generally don't cause problems for older browsers. Case matters XML is case-sensitive and it treats IMG and img as two different element names entirely. (...)
XML and CDATA (06/02/2007)
(...) Using processing instructions is not a good idea unless you pass your XHTML through XML processors that understand particular processing instructions or the W3C creates some standard ones, which isn't very likely to happen for XHTML. Processing instructions can appear anywhere in an XML document except inside of markup. They can appear before a document (but after the XML declaration, if there is one), any place text can appear within elements (though not within the tags), and after a document. (...)
(...) Using processing instructions is not a good idea unless you pass your XHTML through XML processors that understand particular processing instructions or the W3C creates some standard ones, which isn't very likely to happen for XHTML. Processing instructions can appear anywhere in an XML document except inside of markup. They can appear before a document (but after the XML declaration, if there is one), any place text can appear within elements (though not within the tags), and after a document. (...)
lang Internationalization (06/02/2007)
(...) This makes it easy to mark an entire document as being of a particular language, while still allowing pieces of documents in different languages to override the language choice. For example, this document is marked as appearing in U.S. (...)
(...) This makes it easy to mark an entire document as being of a particular language, while still allowing pieces of documents in different languages to override the language choice. For example, this document is marked as appearing in U.S. (...)
Anatomy of an XHTML Document (06/02/2007)
(...) It's more or less a worst-case scenario, although its contents aren't unusual. (It's a little more meaningless than usual, but fairly ordinary otherwise.) This single document produces five derivatives, representing different paths to XHTML conformance. (...)
(...) It's more or less a worst-case scenario, although its contents aren't unusual. (It's a little more meaningless than usual, but fairly ordinary otherwise.) This single document produces five derivatives, representing different paths to XHTML conformance. (...)
Converting to strict HTML and XHTML (06/02/2007)
(...) There are two ways to handle this problem. The first approach simply moves the formatting information to a different place within the elements concerned – the STYLE attribute. This approach, called in-line styling, is more of a quick-fix solution. (...)
(...) There are two ways to handle this problem. The first approach simply moves the formatting information to a different place within the elements concerned – the STYLE attribute. This approach, called in-line styling, is more of a quick-fix solution. (...)
Reading the XHTML DTDs A Guide to XML Declarations (06/02/2007)
(...) 0 without any comprehension of the DTD because the rules for element and attribute usage are the same as those for HTML 4.0. However, if you plan on using validating parsers with XHTML 1. (...)
(...) 0 without any comprehension of the DTD because the rules for element and attribute usage are the same as those for HTML 4.0. However, if you plan on using validating parsers with XHTML 1. (...)
Exploring the XHTML DTDs (06/02/2007)
(...) 01 predecessors, although their names are slightly different and the HTML root element is now html. For the strict DTD, this HTML 4.01 declaration: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. (...)
(...) 01 predecessors, although their names are slightly different and the HTML root element is now html. For the strict DTD, this HTML 4.01 declaration: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. (...)
Building XHTML DTD Structure Element and Attribute Declarations (06/02/2007)
(...) Strict and transitional documents may appear within those frames, although the strict DTD is missing some key tools for working with frames (such as the target attribute). Document head The head element primarily is a container for metadata – information describing the document that follows. Some of this metadata (such as style sheets) may be applied to the document as part of the presentation; other parts help systems outside the document to categorize the document and reference it appropriately. (...)
(...) Strict and transitional documents may appear within those frames, although the strict DTD is missing some key tools for working with frames (such as the target attribute). Document head The head element primarily is a container for metadata – information describing the document that follows. Some of this metadata (such as style sheets) may be applied to the document as part of the presentation; other parts help systems outside the document to categorize the document and reference it appropriately. (...)
Style Sheets and XHTML (06/02/2007)
(...) The discussions in this article focus on CSS Level 1 and CSS Level 2, both of which are stable as paper specifications if not completely implemented. The ongoing development of CSS Level 3 is likely to bring some significant changes to the XHTML landscape, and is definitely worth following. For a current list of CSS work, see http://www. (...)
(...) The discussions in this article focus on CSS Level 1 and CSS Level 2, both of which are stable as paper specifications if not completely implemented. The ongoing development of CSS Level 3 is likely to bring some significant changes to the XHTML landscape, and is definitely worth following. For a current list of CSS work, see http://www. (...)
Formatting Content with CSS Properties (06/02/2007)
(...) w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"> <head> <title>Strict XHTML - Phase 2</title> <meta http-equiv='Content-type' content='text/html; charset="UTF-8"' /> <script type="text/javascript" src="mycode.js" ></script> <link rel="stylesheet" href="mycss. (...)
(...) w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"> <head> <title>Strict XHTML - Phase 2</title> <meta http-equiv='Content-type' content='text/html; charset="UTF-8"' /> <script type="text/javascript" src="mycode.js" ></script> <link rel="stylesheet" href="mycss. (...)
Using XHTML in Traditional HTML Applications (06/02/2007)
(...) JavaScript drove a lot of people who focused on making their sites look good into some degree of programming, while cascading style sheets has proven important to developers using dynamic HTML. Dynamic HTML has forced designers to coordinate their work with developers creating scripts; over time, the skill set for building Web sites has broadened considerably. Fortunately, XHTML 1. (...)
(...) JavaScript drove a lot of people who focused on making their sites look good into some degree of programming, while cascading style sheets has proven important to developers using dynamic HTML. Dynamic HTML has forced designers to coordinate their work with developers creating scripts; over time, the skill set for building Web sites has broadened considerably. Fortunately, XHTML 1. (...)
Fixing Static HTML (06/02/2007)
(...) If you need to convert your documents to Wireless Markup Language or some other presentation variant, you can use scripts and the DOM, Extensible Stylesheet Language Transformations (XSLT), or other XML-based tools to handle the conversion. You can move from one structure to another without having to read the markup byte by byte and guess what's supposed to happen. Finally, XHTML enables you to do things such as use XML repositories for your documents, opening up easier and more powerful referencing, fragmenting, and searching possibilities. (...)
(...) If you need to convert your documents to Wireless Markup Language or some other presentation variant, you can use scripts and the DOM, Extensible Stylesheet Language Transformations (XSLT), or other XML-based tools to handle the conversion. You can move from one structure to another without having to read the markup byte by byte and guess what's supposed to happen. Finally, XHTML enables you to do things such as use XML repositories for your documents, opening up easier and more powerful referencing, fragmenting, and searching possibilities. (...)
Using a Tool to Convert Your HTML Documents to XHTML (06/02/2007)
(...) xhtml Running Tidy without any flags lowercases all elements and attributes, ensures all attribute values have quotes, and checks that the HTML is well formed with no stray elements. The -asxml flag adds in all the XHTML features including the namespace declaration, the XHTML DOCTYPE declaration, and the XML declaration. It also makes sure all the "empty" elements are formatted correctly for XHTML. (...)
(...) xhtml Running Tidy without any flags lowercases all elements and attributes, ensures all attribute values have quotes, and checks that the HTML is well formed with no stray elements. The -asxml flag adds in all the XHTML features including the namespace declaration, the XHTML DOCTYPE declaration, and the XML declaration. It also makes sure all the "empty" elements are formatted correctly for XHTML. (...)
Fixing HTML Generating Code (06/02/2007)
(...) Some developers, especially those fond of writing "obfuscated" code, have created large amounts of code that does what it's supposed to but is difficult to manage or modify. Proper coding practice may have been understood better in the relatively short period the Web has existed than in the period when most of the code that wasn't Y2K-compliant was written – but those practices haven't been honored necessarily. Hack-and-slash code, cut-and-pasted out of various examples, has been popular on the Web (even encouraged). (...)
(...) Some developers, especially those fond of writing "obfuscated" code, have created large amounts of code that does what it's supposed to but is difficult to manage or modify. Proper coding practice may have been understood better in the relatively short period the Web has existed than in the period when most of the code that wasn't Y2K-compliant was written – but those practices haven't been honored necessarily. Hack-and-slash code, cut-and-pasted out of various examples, has been popular on the Web (even encouraged). (...)
Strategies for Managing XHTML Generation Code (06/02/2007)
(...) Text-generation strategies may be useful, especially for projects that need to create more than one version of a document. Fundamentally, every environment that generates XHTML generates text. It's just a matter of what kinds of abstractions are in use. (...)
(...) Text-generation strategies may be useful, especially for projects that need to create more than one version of a document. Fundamentally, every environment that generates XHTML generates text. It's just a matter of what kinds of abstractions are in use. (...)
Moving Forward into XML Using XSL to Generate XHTML (06/02/2007)
(...) htm; the first and last two articles are available as free downloads. The XSL specification is available at http://www.w3. (...)
(...) htm; the first and last two articles are available as free downloads. The XSL specification is available at http://www.w3. (...)
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