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1.6. Nonstandard Extensions

It doesn't take an advanced degree in the obvious to know that many people vie for distinction to draw the attentions of others. So, too, with browsers. Extra whizbang features can give the edge in the otherwise standardized market. That can be a nightmare for authors. A lot of people want you to use the latest and greatest gimmick or even useful HTML extension. But it's not part of the standard, and not all browsers support it. In fact, on occasion, the popular browsers support different ways of doing the same thing.

1.6.1. Extensions: Pro and Con

Every software vendor adheres to the technological standards; it's embarrassing to be incompatible and your competitors will take every opportunity to remind buyers of your product's failure to comply, no matter how arcane or useless that standard might be. At the same time, vendors seek to make their products different and better than the competition's offerings. Netscape's and Internet Explorer's extensions to standard HTML are perfect examples of these market pressures.


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