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Index

H

H1 (one-level heading) element, 45

H2 (two-level heading) element, 51–52

H3 (third-level heading) element, 52

H4 (fourth-level heading) element, 52

H5 (fifth-level heading) element, 52

H6 (sixth-level heading) element, 52

hard returns, 54

HEAD elements, 41, 320, 331–332

Heading Levels (Hn) elements, 331

headings

H1 (one-level), 45

H2 (two-level), 51–52

H3 (third-level), 52

H4 (fourth-level), 52

H5 (fifth-level), 52

H6 (sixth-level), 52

for table columns, 157–158

for table rows, 160–161

Hebrew values, 275

height, of table rows, 168

HEIGHT attribute, 88, 168

hexadecimal numbering system, 134–137

highlighted elements, 50

Hn (Heading Levels) element, 331

horizontal alignment, 89–90

cells, 161, 163

margins, 269

styles, 264–265

table rows, 161–162

horizontal and vertical spacing, floating images, 120–121

Horizontal Rule (HR) element, 60–61, 334

Horizontal Space (HSPACE) attribute, 120–121

host address consideration, 414

hotlinks, 55

hotspots, 397

HR (Horizontal Rule) element, 60–61, 334

HSPACE (Horizontal Space) attribute, 120–121

HTML 4.01 documents, 315–317

HTML (Hypertext Markup Language)

ad hoc extension, 20

current developments, 28–31

defined, 3

early versions of, 17–18

elements, adding, 40–41

HTML+, 19

HTML 1.0, 18

HTML 2.0, 19–20

HTML 3.0, failed initiative, 22

HTML 3.2, 23–24

HTML 4.0, 24–25

HTML 4.01, 25–26

hypertext, 3–5

markup language, 6

Microsoft extensions to, 22

Netscape extensions to, 20–21

reasons for, 6–8

standardization initiatives, 22–28

Validator, 63

HTTP (Hypertext Transfer Protocol), 5

hypermedia, 4

hypertext, 3–5

hypertext links, 55–56

Hypertext Markup Language. See HTML

Hypertext Transfer Protocol (HTTP), 5

hyphens (-), 44, 220

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