NationMaster - Encyclopedia: Comparison of layout engines (HTML)

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HTML
Cascading Style Sheets Character encodings Layout engine comparison Dynamic HTML Font family HTML editor HTML element HTML scripting Unicode and HTML Web colors W3C XHTML An excerpt of HTML code with syntax highlighting In computing, HyperText Markup Language (HTML) is a markup language designed for the creation of web pages with hypertext and other information to be displayed in a web browser. ... Wikibooks programming has more about this subject: CSS In computing, Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. ... HTML has been in use since 1991, but the first standardized version with a reasonably complete treatment of international characters was version 4. ... Dynamic HTML or DHTML is a method of creating interactive web sites by using a combination of static markup language HTML, a client-side scripting language (such as JavaScript), the presentation definition language (e. ... In HTML and XHTML, a font face or font family is a type face, or generic type family. ... An HTML editor is a software application for creating web pages. ... In computing, an HTML element indicates structure in an HTML document. ... The W3C HTML standard includes support for client-side scripting. ... The relationship between Unicode and HTML tends to be a difficult topic for many computer professionals, document authors, and web users alike. ... Authors of web pages have a variety of options available for specifying colors for elements of web documents. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The Extensible HyperText Markup Language, or XHTML, is a markup language that has the same expressive possibilities as HTML, but a stricter syntax. ... This box: view • talk • edit

The following tables compare HTML compatibility and support for a number of layout engines. Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs. An excerpt of HTML code with syntax highlighting In computing, HyperText Markup Language (HTML) is a markup language designed for the creation of web pages with hypertext and other information to be displayed in a web browser. ... A layout engine, or rendering engine, is a software that takes web content (such as HTML, XML, image files, etc) and formatting information (such as CSS, XSL, etc) and displays the formatted content on the screen. ...

Only HTML 4 and XHTML 1 served as text/html (so called "HTML compatible" XHTML) are considered. XHTML 2 is not considered as it is a redefinition of XHTML, which is not backward compatible. For more XHTML-related comparisons, please refer to comparison of layout engines (XHTML). The Extensible HyperText Markup Language, or XHTML, is a markup language that has the same expressive possibilities as HTML, but a stricter syntax. ... The following tables compare XHTML compatibility and support for a number of layout engines. ...

Version number, if possible, is provided for feature that is fully supported (based on HTML 4.01). Proprietary extensions are not included.

NB: Engine Nomenclature

Trident is the layout engine used in Internet Explorer. Tasman is used in Internet Explorer for Mac, Gecko in all Mozilla software, WebCore provides the HTML layout engine for Mac OS X, KHTML for KDE, Presto for Opera and iCab is a browser for Apple Macintosh. Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. ... Internet Explorer, abbreviated IE or MSIE, is a proprietary graphical web browser made by Microsoft and included as part of the Microsoft Windows line of operating systems. ... Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. ... Internet Explorer for Mac, a. ... Gecko is the open source web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. ... Mozilla logo Mozilla Firefox is a computer term that has had many different uses, though all of them have been related to Netscape Communications Corporation and its related application software. ... WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore). ... This article or section does not cite its references or sources. ... Konqueror using KHTML to render the Wikipedia front page. ... KDE (K Desktop Environment) is a free desktop environment and development platform built with Trolltechs Qt toolkit. ... Presto is the name of the current layout engine for the Opera web browser developed by Opera Software. ... Opera is an Internet suite which handles common internet-related tasks, including visiting web sites, sending and receiving e-mail messages, managing contacts, and online chat. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ... The first Macintosh computer, introduced in 1984, upgraded to a 512K Fat Mac. The Macintosh, or Mac, is a line of personal computers designed, developed, manufactured, and marketed by Apple Computer. ...

DOCTYPE sniffing

The way that the engines determine standards mode, quirks mode, or almost standards mode.

		Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
XHTML 1.1
Strict	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">	Standards	?	Standards	?	Standards	Standards	?
XHTML 1.0
Strict	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">	Standards	?	Standards	?	Standards	Standards	?
Transitional	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">	Standards	?	Almost	?	Standards	Standards	?
Frameset	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">	Standards	?	Almost	?	Standards	Standards	?
HTML 4.01
Strict	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">	Standards	?	Standards	?	Standards	Standards	?
Strict	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">	Standards	?	Standards	?	Standards	Standards	?
Transitional	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">	Standards	Standards	Almost	?	Standards	Standards	?
Transitional	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">	Quirks	Quirks	Quirks	?	Quirks	Quirks	?
Frameset	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">	Standards	?	Almost	?	Standards	Standards	?
Frameset	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN">	Quirks	?	Quirks	?	Quirks	Quirks	?
HTML 4.0
Strict	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">	Standards	Standards	Standards	?	Standards	Standards	?
Strict	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">	Standards	?	Standards	?	Standards	Standards	?
Transitional	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">	Standards	?	Quirks	?	Quirks	Standards	?
Transitional	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">	Quirks	?	Quirks	?	Quirks	Quirks	?
Frameset	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN" "http://www.w3.org/TR/REC-html40/frameset.dtd">	Standards	?	Quirks	?	Quirks	Standards	?
Frameset	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN">	Quirks	?	Quirks	?	Quirks	Quirks	?
		Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. ... Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. ... Gecko is the open source web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. ... WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore). ... Konqueror using KHTML to render the Wikipedia front page. ... Presto is the name of the current layout engine for the Opera web browser developed by Opera Software. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ... Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. ... Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. ... Gecko is the open source web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. ... WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore). ... Konqueror using KHTML to render the Wikipedia front page. ... Presto is the name of the current layout engine for the Opera web browser developed by Opera Software. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ...

General DOCTYPE sniffing notes

Quirks mode — Emulates non-standard behaviors in Navigator 4 and MSIE. Generally used in HTML without DOCTYPE and HTML 3 or below. The amount of emulation differs between the layout engines, e.g. Gecko uses the standardized W3C box layout model even in quirks mode. Thus the results are quite unpredictable in this mode.
Standards mode — Follows W3C's recommendations.

Quirks mode is an alternate method by which modern web browsers render HTML. Its purpose is to replicate rendering behavior introduced in previous versions of the browsers, which attempted to implement CSS to their own specifications before the standardization of CSS. This allows for older web sites to still render...

Gecko DOCTYPE sniffing notes

Almost standards mode — Implements the vertical sizing of table cells traditionally and not rigorously according to the CSS2 specification. Almost standards mode was created after 1.0 and 1.1alpha, but before 1.0.1 and 1.1beta. This mode is, however, similar to the standard modes of Trident, Presto and WebCore. Before almost standards mode was created these DOCTYPEs triggered standards mode.

Global structure elements

The global structure of the document.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Basic structure
html	5.0	0	1.0	Yes	Yes	7.0	Yes
head	4.0	0	1.0	Yes	Yes	7.0	Yes
body	4.0	0	1.0	Yes	Yes	7.0	Yes
Metadata
title	4.0	0	1.0	Yes	Yes	7.0	Yes
meta	4.0	0	1.0	Yes	Yes	7.0	Yes
Headings
h1	4.0	0	1.0	Yes	Yes	7.0	Yes
h2	4.0	0	1.0	Yes	Yes	7.0	Yes
h3	4.0	0	1.0	Yes	Yes	7.0	Yes
h4	4.0	0	1.0	Yes	Yes	7.0	Yes
h5	4.0	0	1.0	Yes	Yes	7.0	Yes
h6	4.0	0	1.0	Yes	Yes	7.0	Yes
Grouping elements
div	4.0	0	1.0	Yes	Yes	7.0	Yes
span	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Text elements

Elements that represent text.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Phrase
em	4.0	0	1.0	Yes	Yes	7.0	Yes
strong	4.0	0	1.0	Yes	Yes	7.0	Yes
dfn	4.0	0	1.0	Yes	Yes	7.0	Yes
code	4.0	0	1.0	Yes	Yes	7.0	Yes
samp	4.0	0	1.0	Yes	Yes	7.0	Yes
kbd	4.0	0	1.0	Yes	Yes	7.0	Yes
var	4.0	0	1.0	Yes	Yes	7.0	Yes
cite	4.0	0	1.0	Yes	Yes	7.0	Yes
abbr	7.0	0	1.0	Yes	Yes	7.0	Yes
acronym	4.0	0	1.0	Yes	Yes	7.0	Yes
Quotations
blockquote	4.0	0	1.0	Yes	Yes	7.0	Yes
q	No	0	1.8	Yes	Yes	7.0	Yes
Subscripts and superscripts
sub	4.0	0	1.0	Yes	Yes	7.0	Yes
sup	4.0	0	1.0	Yes	Yes	7.0	Yes
Lines and paragraphs
p	4.0	0	1.0	Yes	Yes	7.0	Yes
pre	4.0	0	1.0	Yes	Yes	7.0	Yes
br	5.0	0	1.0	Yes	Yes	7.0	Yes
Marking document changes
ins	4.0	0	1.0	Yes	Yes	7.0	Yes
del	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Gecko text element notes

q — Does not support nested quotes prior to 1.8 [1].

List elements

Elements that represent lists of information.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Unordered and ordered lists
ul	4.0	0	1.0	Yes	Yes	7.0	Yes
ol	4.0	0	1.0	Yes	Yes	7.0	Yes
li	4.0	0	1.0	Yes	Yes	7.0	Yes
Definition lists
dl	4.0	0	1.0	Yes	Yes	7.0	Yes
dt	4.0	0	1.0	Yes	Yes	7.0	Yes
dd	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Table elements

Elements that represent tabular information.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Basic table elements
table	4.0	0	1.0	Yes	Yes	7.0	Yes
caption	4.0	0	1.0	Yes	Yes	7.0	Yes
tr	4.0	0	1.0	Yes	Yes	7.0	Yes
th	4.0	0	1.0	Yes	Yes	7.0	Yes
td	4.0	0	1.0	Yes	Yes	7.0	Yes
Row groups
thead	4.0	0	1.0	Yes	Yes	7.0	Yes
tfoot	4.0	0	1.0	Yes	Yes	7.0	NO
tbody	4.0	0	1.0	Yes	Yes	7.0	Yes
Column groups
colgroup	4.0	?	1.7	Yes	Yes	7.0	Yes
col	4.0	?	1.7	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Link elements

Hyperlinks, one of the primary forces driving the success of the World Wide Web. A hyperlink, or simply a link, is a reference in a hypertext document to another document or other resource. ... The World Wide Web (WWW or simply the Web) is a global information space which people can read-from and write-to via a large number of different Internet-connected devices (e. ...

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
a	4.0	0	1.0	Yes	Yes	7.0	Yes
link	4.0	0	1.0	Yes	Yes	7.0	Yes
base	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Multimedia elements

Multimedia features including images, applets , video clips, and other HTML documents.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Images
img	4.0	0	1.0	Yes	Yes	7.0	Yes
Generic inclusion
object	Incorrect	0	1.0	Yes	Yes	7.0	Yes
param	6.0	0	1.0	Yes	Yes	7.0	Yes
Image maps
map	4.0	0	1.0	Yes	Yes	7.0	Yes
area	5.0	0	1.0	Yes	Yes	7.0	Yes
Deprecated
applet	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Trident multimedia element notes

object — For images, a frame will be added to the object. Other content types are not supported and the element is incorrectly implemented as an ActiveX wrapper. Nested objects fallback mechanism is not supported [2].

Frame elements

Elements to present documents in multiple views, which may be independent windows or subwindows. Frame layout is only available in the frameset profiles. All frames are not available in XHTML 1.1 (use generic object elements instead for inline frames).

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Frame layout
frameset	4.0	0	1.0	Yes	Yes	7.0	Yes
frame	4.0	0	1.0	Yes	Yes	7.0	Yes
noframes	4.0	0	1.0	Yes	Yes	7.0	Yes
Inline frames
iframe	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Form elements

The user interface controls for interacting with the web server. The user interface is the part of a system exposed to users. ... The term Web server can mean one of two things: A computer that is responsible for accepting HTTP requests from clients, which are known as Web browsers, and serving them Web pages, which are usually HTML documents and linked objects (images, etc. ...

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Basic structure
form	4.0	0	1.0	Yes	Yes	7.0	Yes
fieldset	4.0	0	1.0	Yes	Yes	7.0	Yes
legend	4.0	0	1.0	Yes	Yes	7.0	Yes
Form controls and labels
input	4.0	0	1.0	Yes	Yes	7.0	Yes
textarea	4.0	0	1.0	Yes	Yes	7.0	Yes
button	4.0	0	1.0	Yes	Yes	7.0	Yes
label	4.0	0	1.0	Partial	3.4.2	7.0	Yes
List boxes (combo boxes)
select	4.0	0	1.0	Yes	Yes	7.0	Yes
optgroup	4.0	0	1.0	Yes	Yes	7.0	Yes
option	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

WebCore form elements notes

label — Clicking on label does not focus on the corresponding form control.

KHTML form elements notes

label — Label is focusable prior to 3.4.2.

Presentational elements

Elements that specify presentational information. Although not all elements are deprecated, their use is discouraged in favor of stylesheets. Deprecated elements are not available in the strict profiles and XHTML 1.1.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Font styles
b	4.0	0	1.0	Yes	Yes	7.0	Yes
i	4.0	0	1.0	Yes	Yes	7.0	Yes
big	4.0	0	1.0	Yes	Yes	7.0	Yes
small	4.0	0	1.0	Yes	Yes	7.0	Yes
tt	4.0	0	1.0	Yes	Yes	7.0	Yes
Horizontal rules
hr	4.0	0	1.0	Yes	Yes	7.0	Yes
Deprecated
u	4.0	0	1.0	Yes	Yes	7.0	Yes
s	4.0	0	1.0	Yes	Yes	7.0	Yes
strike	4.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Stylesheet elements

The ways to apply stylesheets (CSS) to the document. Wikibooks programming has more about this subject: CSS In computing, Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. ...

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Using link element	4.0	0	1.0	Yes	Yes	7.0	Yes
style	5.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Script elements

Elements for embedding client-side script (JavaScript). See also DOM Events for a list of attributes used to attach an event handler to an element. JavaScript is the name of Netscape Communications Corporations implementation of ECMAScript, a scripting programming language based on the concept of prototypes. ... DOM Events allow event-driven programming languages like JavaScript, JScript, ECMAScript, VBScript and Java to register various event handlers/listeners on the element nodes inside a DOM tree, e. ... An event handler is a part of a computer program created to tell the program how to act in response to a specific event (e. ...

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
script	6.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

Language elements

Elements related to language information.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
bdo	5.0	?	1.0	Yes	Partial	7.0	?
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

KHTML language element notes

bdo — While alphabetic and alphanumeric words are affected, numeric (numbers only) words are not.

Generic attributes

Attributes that can be used in any elements.

	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab
Element identifiers
id	3.0	0	1.0	Yes	Yes	7.0	Yes
class	3.0	0	1.0	Yes	Yes	7.0	Yes
Inline styles
style	3.0	0	1.0	Yes	Yes	7.0	Yes
Advisory information
title	4.0	0	1.0	Yes	Yes	7.0	Yes
Language information
lang	4.0	0	1.0	Yes	Yes	7.0	Yes
dir	5.0	0	1.0	Yes	Yes	7.0	Yes
	Trident	Tasman	Gecko	WebCore	KHTML	Presto	iCab

References

MSDN Library. CSS Enhancements in Internet Explorer 6. URL accessed on May 1, 2005.
Mozilla Developer Documentation. Mozilla's DOCTYPE sniffing. URL accessed on May 1, 2005.
Opera Documentation. The Opera 7 and 8 DOCTYPE Switches. URL accessed on May 1, 2005.
Opera Documentation. Specification support - HTML. URL accessed on May 1, 2005.
O'Reilly Network. Use the Right Doctype. URL accessed on May 1, 2005.
Apple Developer Connection. Safari HTML Reference. URL accessed on July 14, 2005.

May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... May 1 is the 121st day of the year in the Gregorian calendar (122nd in leap years). ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... July 14 is the 195th day (196th in leap years) of the year in the Gregorian Calendar, with 170 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...

External links

Categories: Wikipedia articles needing clarification | Software comparisons | Layout engines

Results from FactBites:

HTML Summary (4996 words)
	HTML 2.0, published November 1995 as IETF RFC 1866, supplemented by RFC 1867 (form-based file upload) that same month, RFC 1942 (tables) in May 1996, RFC 1980 (client-side image maps) in August 1996, and RFC 2070 (internationalization) in January 1997; ultimately all were declared obsolete/historic by RFC 2854 in June 2000.
	HTML 3.1 was never officially proposed, and the next standard proposal was HTML 3.2 (code-named "Wilbur"), which dropped the majority of the new features in HTML 3.0 and instead adopted many browser-specific element types and attributes which had been created for the Netscape and Mosaic web browsers.
	HTML 4.0 likewise adopted many browser-specific element types and attributes, but at the same time began to try to "clean up" the standard by marking some of them as deprecated, and suggesting they not be used.

HTML Information Page - html-basic-code (1524 words)
	HTML flash html is a form of markup that is oriented toward the construction of single-page text documents with specialized rendering software called HTML user agents, the most common example of which is a web browser.
	HTML 3.1 was never officially proposed, and the next standard proposal was HTML 3.2 (code-named 'Wilbur'), which dropped the majority of the new features in HTML 3.0 and instead adopted many browser-specific elements and attributes which had html cursors been created for the Netscape and Mosaic web browsers.
	HTML 4.0 likewise html buttons adopted music html many browser-specific elements and attributes, but at the same time began to try to 'clean up' the standard by marking some of them as deprecated, and suggesting they not be used.

More results at FactBites »

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