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These editors produce more logically structured markup than is typical of WYSIWYG editors, while retaining the advantage in ease of use over hand-coding using a text editor. Lyx (interface to Latex/Tex, via which can convert to/from HTML)
376 – Andorra (formerly 33 628) 377 – Monaco (formerly 33 93) 378 – San Marino (interchangeably with 39 0549; earlier was allocated 295 but never used) 379 – Vatican City (assigned but uses 39 06698). 38 – formerly assigned to Yugoslavia until its break-up in 1991. 380 – Ukraine. 381 – Serbia.
W3C Markup Validation Service. The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition (DTD). Markup validation is an important step towards ensuring the technical quality of web pages.
E.123. E.123 is an international standard by the Telecommunication Standardization Sector of the International Telecommunication Union ( ITU-T ), entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses. [1] It provides guidelines for the presentation of telephone numbers, email addresses, and web ...
A JavaScript function can check to see if a phone number is a valid format, i.e., is numeric, starts with a valid set of numbers ("0" for local, or an international dialing prefix followed by a valid country code and is not too short to be a phone number. At first a JavaScript function is used to clear out any spacer characters.
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E.164 is an international standard ( ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks . E.164 defines a general format for international telephone numbers.
Help:Markup validation. The W3C Markup Validation Service lets editors check web pages for conformance to HTML and XHTML standards. It is helpful for catching minor problems such as duplicate section names or citation IDs. Although most major browsers will tolerate many of the errors, and will display a document successfully even if it contains ...