At the introduction of CSS, two main browsers on the market, Microsoft’s Internet Explorer 4 and Netscape 4 did not fully support it. Netscape did horribly broke the entire standard, while IE came closer to it but with some important bugs. So, the developers had to create a different version of CSS for every browser, in order to be sure that their pages would render correctly on every one of them.
In time, when the standards became more important, the developers had to choose whether to create the next version of browser closer to the W3C
As web standards advocates, many of us participate in numerous online communities such as mailing lists, forums, newsgroups and even blogs (both our own and comments on others). In these communities, we often encounter beginners who are either just starting out with HTML, or have been doing HTML for a while, but are new to the concept of developing with standards.
Invariably, such beginners face the eternal question of HTML or XHTML; and today, I intend to answer this question (as it applies to beginners) once and for all. For experienced users, the
Thus far, you've read the HTML 4.01 and XHTML 1.0 documentation and you understand their relationship. You have successfully converted a few documents to XHTML 1.0. So, how do you know that your documents are really XHTML 1.0 compliant?
The easiest way, as stated earlier, is to use "xmllint." It was distributed with later versions of libxml, which can be obtained from xmlsoft.org. Once properly installed, you can use xmllint to check your work. Your command line entry will look like this:
xmllint --valid --noout mydoc.html
If you receive error
Thus far, you've read the HTML 4.01 and XHTML 1.0 documentation and you understand their relationship. You have successfully converted a few documents to XHTML 1.0. So, how do you know that your documents are really XHTML 1.0 compliant?
The easiest way, as stated earlier, is to use "xmllint." It was distributed with later versions of libxml, which can be obtained from xmlsoft.org. Once properly installed, you can use xmllint to check your work. Your command line entry will look like this:
xmllint --valid --noout mydoc.html
If you receive error
As web standards advocates, many of us participate in numerous online communities such as mailing lists, forums, newsgroups and even blogs (both our own and comments on others). In these communities, we often encounter beginners who are either just starting out with HTML, or have been doing HTML for a while, but are new to the concept of developing with standards.
Invariably, such beginners face the eternal question of HTML or XHTML; and today, I intend to answer this question (as it applies to beginners) once and for all. For experienced users, the
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