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============================: THU.MAR,990318 :============================ 18:30-20| Ericsson Cyberlab NY JohanHjelm : XML and Style . |18:56| JohnMaxwelHudson : JohanHjelm , WWW consortium . Johan : Boston ex-Sweden | WWW @ MIT . Web was CERN . Euros .51 % wk Swede web usage . Japan 4+ char sets . Yokohoma w3c site . Swiss 4 langs - living in Japan . 80 people working grp . XML : Lang for creating Langs : panacia for creating panacias . derivitavie of SGML . DocumentTypeDeclaration Describes tags . work going on making std e-commerce DTDs . Taking EDI datastructure moving into XML . client must have XML Parser . XHTML ( called Voyager after Next Generation ) to replace HTML . XHTML is XML verson of HTML4 . Is modular : lists , framesets , tables , etc . special for mobile - working draft available . Big Idea : Separation of content and style . With Style Sheets : XML all tags semantic . < ?xml-stylesheet href= "mystyle.css" type= "text/css"? > defined typefaces , size , tec Style sheets can handle langs w non-alphatetic chars . can actually embed translations . Style sheets place grid on screen . Fixed pixel tables ~ same on all displays . Today - style sheets ~ work very well - things up in air @ Netscape - don Opera Browser from Norway VG . Tim Berners-Lee`s idea - editor browser - never see (X)HTML . [ naive ] Web Telephones - retrieval mostly . ( Japan has 6 formats used on moble web - mess 80 companies ) WML - Request w content CompositeCapabilities / /PreferencesProfile . eg : country specific . Position , equipment - structured framework in RDF . - extensible < RDF ... Map one XML tree to another . XtensibleStylesheetLanguage . | not work w eg . HDML from UnWiredPlanet . Document Profiles ResourceDescriptionFormat : metadata . mixing of scripting ( forms ) & content . < RDF xmlnl:RDF="http---- " ( defining NameSpace ) < RDF:DESCRIPTINO ABOUT="--" prf:Default="--" PRF:Sound="off" PRF:Memory="32mB" /> XML uses lowercase . W3C working on scalable wavelet graphic . enhanced format negotiation Voice : aural stylesheets existed for voice for few years . WebTV not realy what it should be . @home format . Non-text StyleSheets . auditory - how make hyperlink ? Inflection markers & typography , styling separate . navigation difficult . Use < alt > , use clent-side < map > & text for Image hotspots . provide captioning & transcripts of audio , Don``t use "click here" Use headings , lists , & consistent structure . use CascadingStyleSheets . Longdesc attribute for graphs . Frames Evil . Avoid column layouts . www.w3.org/wai/ www.w3.org/XML/ |19:56|
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