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Chapter 20: Coding in Dreamweaver

The following table describes the XHTML requirements that Dreamweaver meets
automatically.

XHTML requirement

Actions Dreamweaver performs to
meet this requirement

There must be a DOCTYPE declaration in the
document prior to the root element, and the
declaration must reference one of the three
Document Type Definition (DTD) files for
XHTML (strict, transitional, or frameset).

Adds an XHTML DOCTYPE to an XHTML
document:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML
1.0 Transitional//EN" "http://www.w3.org/
TR/xhtml1/DTD/xhtml1-transitional.dtd">

Or, if the XHTML document has a frameset:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML
1.0 Frameset//EN" "http://www.w3.org/TR/
xhtml1/DTD/xhtml1-frameset.dtd">

The root element of the document must be

html

, and the

html

element must designate the

XHTML namespace.

Adds the

namespace

attribute to the

html

element, as follows:

A standard document must have the

head

title

, and

body

structural elements. A

frameset document must have the

head

title

, and

frameset

structural elements.

In a standard document, includes the

head

title

, and

body

elements. In a frameset

document, includes the

head

title

, and

frameset

elements.

All elements in the document must nest
properly:

This is a bad example.

This is a good example.

Generates correctly nested code and, when
cleaning up XHTML, corrects nesting in code
that was not generated by Dreamweaver.

All element and attribute names must be
lowercase.

Forces HTML element and attribute names to
be lowercase in the XHTML code that it
generates and when cleaning up XHTML,
regardless of your tag and attribute case
preferences.

Every element must have a closing tag, unless
it is declared in the DTD as EMPTY.

Inserts closing tags in the code that it
generates, and when cleaning up XHTML.

Empty elements must have a closing tag, or
the opening tag must end with

. For

example,

is not valid; the correct form is

. Following are the empty

elements:

area

base

basefont

col

frame

img

input

isindex

link