XHTML and XML
XML Document
Display of XML Document with external CSS file
External XML Document
W3C
A brief SGML tutorial: the syntax of HTML elements, attributes, and comments;
Certain HTML elements are said to be "block level" while others are "inline"
(also known as "text level"). The distinction is founded on several notions:
- Content model
- Generally, block level elements may contain inline elements and
other block level elements. Generally, inline elements may generally
contain only data and other inline elements. Inherent in this
structural distinction is the idea that block elements create "larger"
structures than inline elements.
- Formatting
- By default, block level are formatted differently
than inline elements. Block level elements generally begin on new lines,
inline elements generally do not. Block level elements end an
unterminated paragraph element. This enables you to omit end-tags for
paragraphs in many cases.
W3C
Document Type Definition contains further details about the HTML content model
W3C
HTML 4.01 Specification
W3C
HTML 5 differences from HTML 4
Color Chart
Fonts
Paragraphs, Line Breaks, and Headings
Tables
Text Alignment and Lists
Style Sheets
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