HTML and CSS Reference
In-Depth Information
Figure 2-9. Validator results
Validation isn't the end-all, be-all of good HTML coding. There may be instances in
which you purposefully include invalid code in your HTML document. Perhaps there
is a necessary hack that doesn't validate, or you want to include a piece of cutting-edge
CSS that isn't yet widely supported across browsers (and thus is not recognized by
modern validators).
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