1438 Introduction to XHTML: Part 1 Appendix K Look-and-Feel Observation K.2 Use larger headers to emphasize more important sections of a Web page. K.6 Linking One of the most important XHTML features is the hyperlink, which references (or links to) other resources, such as XHTML documents and images. In XHTML, both text and images can act as hyperlinks. Web browsers typically underline text hyperlinks and color their text blue by default, so that users can distinguish hyperlinks from plain text. In Fig. K.5, we create text hyperlinks to four different Web sites. Line 17 introduces the tag. Browsers typically display text marked up with in a bold font. 1 2 4 5 6 7 8 9 10 11 12 13 14 15

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