EN 62298-3 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHENORM June 2005 ICS 33.170; 35.240.99 English version Telew eb app lication Part3:Superteletextprofile (IEC 62298-3:2005) ApplicationTeleweb TeleWeb-Anwendung Partie 3: Profil supertelétexte Teil 3: Superteletext-Profil (CEI62298-3:2005) (IEC62298-3:2005) Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. CENELEC EuropeanCommitteeforElectrotechnical Standardization Comite Européende Normalisation Electrotechnique EuropaischesKomiteefurElektrotechnischeNormung CentralSecretarat:ruedeStassart35,B-1050Brusseks 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62298-3:2005 E EN62298-3:2005 - 2 - Forew ord The text of document 100/924/FDIS, future edition 1 of IEC 62298-3, prepared byIEC TC 100, Audio video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-03-01 latest date by which the national standards conflicting - withthe ENhave tobe withdrawn (dow) 2008-06-01 AnnexZAhasbeenaddedbyCENELEC. Endorsementnotice The text of the International Standard IEC 62298-3:2005 was approved by CENELEC as a European Standard without any modification. EN 62298-3:2005 3 - CONTENTS INTRODUCTION. .5 1 Scope.. 2 Normative references.. ..6 3 Terms, definitions and abbreviations 3.1 Terms and definitions 3.2 Abbreviations. 4 Display .8 4.1 Colour representation .8 4.2 Text representation .9 4.3 Text placement.. .11 4.4 Image representation 12 4.5 4:3 and 16:9 aspect ratio displays 12 URLS 5 13 5.1 File naming .. .14 5.2 Access through page number. 5.3 TeleWeb file reference scheme 15 5.4 Teletext page reference scheme... .17 5.5 NexTView reference scheme... 18 5.6 Special function URLs. .19 6 Text and hypertext. .19 6.1 TeleWeb HTML file format. .19 6.2 Syntax of TeleWeb HTML tags ... .21 6.3 Document structure elements... .23 6.4 Header section tags . .26 6.5 Paragraph formatting... 6.6 Character formatting.... ..31 6.7 Hypertext links . ..35 6.8 Lists 40 Tables.. .43 6.9 6.10 Images. .49 6.11 Ticker text. .52 6.12 Exceptional ignored tags 54 TeleWeb default style. 7 .54 8 Imagefiles .54 8.1 GIF.. .54 8.2 .55 JPEG 9 Content labelling .55 9.1 Predefined themes and identifier coding .55 9.2 Parental ratings. .55 10 Special data .. .55 10.1 Service identification graphic. 10.2Home page. .56 10.3 Default page. 56 EN 62298-3:2005 4- 10.4Profileupgradepage .56 10.5 ZLIB dictionary files.... 11S Service-related attributes. ...57 11.1 Name. 11.2 Information 11.3 Language... 11.4 Transmission schedule ..57 12 File-related attributes.. ..58 12.1 General file attributes.. 12.2 File content attributes.. 12.3 Time-and date-related attributes ...61 12.4 Storage-related attributes ...62 12.5 Special function attributes.. ...62 13 Shortand fullTeleWeb service. ...63 14 Individual addressing- Group addressing. ..64 Annex A(informative)HTML compatibility ..65 ...68 AnnexB(normative)Default colourpalette specification AnnexC(normative)Tableof predefined themes Annex D (informative) TeleWeb documenttypedefinition (DTD) .77 Annex E (informative) TeleWebdefaultCss2stylesheet ..86 AnnexF(normative)Fontmetrics. ....89 Annex G (informative)Te