Ah! This is for first time I'm writing my own HTML. The world is so different out here. Marvelous!

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You might have observed that on many web pages, they use fancy graphics to show various links, as you can see fancy gray buttons on this web site. We perform this by

We have inserted tag between , so instead of text link, now we have a graphic link.

Our modified HTML source page, looks like this (repetitive code has been replaced by dots):

.............. .............. .............. ..............

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You can explore tag further on your own, but there is another crucial attribute of this tag that we are going to cover before moving on to next section - ALT attribute - alternative.

We use ALT attribute inside to insert text that gets displayed or sounded when cursor is hovered over image, or while image is being loaded, or when graphics display has been disabled in browser, or when your site is being viewed on a non-graphics browser, or when visually challenged people are browsing on a voice-enabled browser. .............. .............. .............. ..............

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This sums up tag. It's an important tag, and hence, has taken up an entire chapter. You'll find yourself implementing it again and again, but please don't over-do it.

We move on to tables now.

............ 4/18/2001 ..............

If you can't make out what this is all about, don't worry. This is just an imaginary schema of a data structure that can be represented through an XML document.

Before you get time to come to grips with gory XML introduction, I present a more evolved version of above mentioned XML code:

4/17/2001 Telling what exactly XML means Some Examples of XML Some concluding text Email XML Article Have something light to eat and laze around Work on a client's web site

............ 4/18/2001 ..............

The above is a comprehensive example of a DTD - Document Type Definition. XML provides an application independent way of sharing data. With a DTD, independent groups of people can use a common DTD for interchanging data. Your application can use a standard DTD to verify that data you receive from outside world is valid. You can also use a DTD to verify your own data.

In this example, data structure is well defines. Each parent node has a child node, and some child-nodes have grand-child nodes and so on.