Style sheets describe how documents are presented on screens, in print, or perhaps how they are pronounced. W3C has actively promoted the use of style sheets on the Web since the Consortium was founded in 1994. The Style Activity has produced several W3C Recommendations (CSS1, CSS2, XPath, XSLT). CSS especially is widely implemented in browsers.
By attaching style sheets to structured documents on the Web (e.g. HTML), authors and readers can influence the presentation of documents without sacrificing device-independence or adding new HTML
Roberto Scano offers a detailed and informative history of website accessibility: "The first web revolution happened on the 14th January 1997: HTML 3.2 was issued from a consortium called the W3C, a consortium not yet known to web developers. As written in the document's introduction, HTML 3.2 is the W3C's specification for HTML, developed in early 1996, together with vendors including IBM, Microsoft, Netscape Communications Corporation, Novell, SoftQuad, Spyglass, and Sun Microsystems. HTML 3.2 added widely deployed features such as tables, applets
In 1989 the Air Transport Association (ATA) adopted Computer Graphics Metafile (CGM) as the format for the interchange of 2-dimensional vector based technical illustrations in maintenance documentation. Both The Boeing Company and United Airlines, along with much of the rest of the industry, use CGM internally to transfer 2-dimensional vector data between diverse systems.
The decision to use CGM, both at the industry level and by individual companies, was made after a review of available open and proprietary formats. Requirements for creation,
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