Markup Languages: More Than HTML5 - Web Standards: Mastering HTML5, CSS3, and XML - page 70

• Dropzone value : An unordered set of unique space-separated tokens, each of which is one of
the values copy , move , or link , or any string with a minimum of three characters, beginning
with the literal string s: (Plain Unicode string) or f: (File items). The default value is copy .
• Functionbody : Any JavaScript code that is a FunctionBody production according to ECMA 262.

• Coordinates : Rectangle coordinates (four integers), circle coordinates (two integers and a
non-negative integer number), or polygon coordinates (minimum six integers).

• Sandbox allow keywords list : An unordered set of unique space-separated tokens that can be
the literal string allow-forms , allow-scripts , allow-top-navigation , or allow-same-origin .
• Pattern : A regular expression that is a JavaScript pattern production according to ECMA 262.

• E-mail address : Any string that matches the ABNF production 1*( atext / "." ) "@"
ldh-str 1*( "." ldh-str ) , where atext is as defined in RFC 5322, and ldh-str is as
defined in RFC 1034.

• Color : A string exactly seven characters long, starting with a # character, followed by six
characters in the range 0 - 9 , a - f , and A - F .

Markup Elements
The various versions and variants of HTML support a different set of elements; in other words, they have different
vocabularies, although there are many common elements and attributes that can be used in many or all markup
languages (see Table 3-7 , historic versions not included).

Table 3-7. Overview of Markup Elements

HTML 4.01 XH TML (X)HTML

Element T F S 1.0 T 1.0 F 1.0 S 1.1 2.0 5 Meaning

a + + + + + + + + + Hyperlink anchor

abbr + + + + + + + + + Abbreviation

access - - - - - + + - - Accessibility mapping

acronym

+ + + + + + + - - Acronym

action - - - - - - - + - Action

address + + + + + + + + + Author information

applet + - - + + - - - - Java applet

area + + + + + + + - + Client-side image map

article

- - - - - - - - + Logically separate section

aside - - - - - - - - + Additional content section

audio - - - - - - - - + Audio stream

b + + + + + + + - + Bold text style

base + + + + + + + - + Document base URI

basefont

+ - - + + - - - - Base font size

( continued )