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In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
Menu bar of Mozilla Firefox, showing a submenu. A menu bar is a graphical control element which contains drop-down menus.. The menu bar's purpose is to supply a common housing for window- or application-specific menus which provide access to such functions as opening files, interacting with an application, or displaying help documentation or manuals.
Menu #16 has added the overlaid menu you can see in the very top-right corner of this page. It can also add an image behind the "puzzle-globe" logo in the top-left corner, but this component is currently commented out in order to preserve the look of the Wikipedia namespace. Please see the menu's subpage to see it in action.
A menu bar is displayed horizontally across the top of the screen and/or along the tops of some or all windows. A pull-down menu is commonly associated with this menu type. When a user clicks on a menu option the pull-down menu will appear. [3] [4] A menu has a visible title within the menu bar. Its contents are only revealed when the user ...
The W3C developed a comprehensive test suite to achieve broad interoperability for the full specification by 2014, which was the target date for recommendation. [26] In January 2011, the WHATWG renamed its "HTML5" specification HTML Living Standard. The W3C nevertheless continued its project to release HTML5. [27]
W3C began development of its own Arena browser as a test bed for HTML 3 and Cascading Style Sheets, [46] [47] [48] but HTML 3.0 did not succeed for several reasons. The draft was considered very large at 150 pages and the pace of browser development, as well as the number of interested parties, had outstripped the resources of the IETF. [ 14 ]
A navigation bar (or navigation system) is a section of a graphical user interface intended to aid visitors in accessing information. Navigation bars are implemented in operating systems, file browsers , [ 1 ] web browsers , apps, web sites and other similar user interfaces .
The W3C Technical Architecture Group (TAG) is a special working group within the World Wide Web Consortium (W3C) created in 2001 [1] to: [2] [3] [4] document and build consensus around principles of Web architecture and to interpret and clarify these principles when necessary; resolve issues involving general Web architecture brought to the TAG;