HTML and CSS Reference
In-Depth Information
<link lang="hu" title="A dokumentum magyarul"
rel="alternate"
xml:lang="hu"
href="http://example.com/hungarian/" />
</head>
The character encoding of the page specified as the link target can be declared by the
charset
attribute.
The
media
attribute specifies the medium the link applies to. Table
3-17
summarizes the possible values.
Table 3-17.
Values of the
media
Attribute on the
link
Element
Value
Description
screen
Computer screens (default)
tty
TeleTypes (fixed character width)
tv
Televisions and similar devices (low resolution, limited scrollability)
projection
Projectors
handheld
Mobile devices, smartphones (small screens, limited bandwidth)
print
Print preview/printed pages
braille
Braille devices
aural
Speech synthesizers
all
S
uitable for all devices
Listing 3-44 shows an example for three different style sheets written for three different media types
(
all
,
handheld
,
print
).
Listing 3-44.
CSS Files for Different Media Types
<link rel="stylesheet" type="text/css"
media="all" href="main.css"
title="Default style" />
<link rel="stylesheet" type="text/css"
media="handheld" href="mobile.css"
title="Styles for mobile devices" />
<link rel="stylesheet" type="text/css"
media="print" href="print.css"
title="Styles for printing" />
The
rel
attribute (which stands for relationship) is a space-separated list of one or more values specifying the
relationship between the current page and the target resource (Listing 3-45). Possible values are
alternate
,
appendix
,
bookmark
,
chapter
,
contents
,
copyright
,
glossary
,
help
,
index
,
next
,
prev
,
section
,
stylesheet
, and
subsection
.
Listing 3-45.
Application Example for the
rel
Attribute
<link rel="alternate" type="application/rss+xml" title="New feed of example page"
href="http://www.example.com/rss.xml" />
<link rel="glossary" title="Glossary" href="glossary/" />
<link rel="copyright" title="Copyright" href="copy/" />
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