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Also, images that are used on the Main Page have a local version to prevent vandalism from appearing. Editors can also choose to have a local version stored on Wikipedia. Images are classified as files and use the prefix of File: or the deprecated prefix of Image:. The File namespace is one of several namespaces used on Wikipedia.
Form-based file upload then was incorporated in HTML 3.2, which explicitly refers to RFC 1867 for further information on form-based file upload. HTML 4.01 does not, in itself, describe how the file-select control is supposed to work, but it does list RFC 2388 and RFC 1867 as references.
TIFF is a flexible, adaptable file format for handling images and data within a single file, by including the header tags (size, definition, image-data arrangement, applied image compression) defining the image's geometry. A TIFF file, for example, can be a container holding JPEG (lossy) and PackBits (lossless) compressed images. A TIFF file ...
Alternative text (or alt text) is text associated with an image that serves the same purpose and conveys the same essential information as the image. [1] In situations where the image is not available to the reader, perhaps because they have turned off images in their web browser or are using a screen reader due to a visual impairment, the alternative text ensures that no information or ...
File formats often have a published specification describing the encoding method and enabling testing of program intended functionality. Not all formats have freely available specification documents, partly because some developers view their specification documents as trade secrets, and partly because other developers never author a formal specification document, letting precedent set by other ...
in the Image namespace (Image description pages): the image itself, the image history and the list of pages linking to the image; in the Category namespace: the lists of subcategories and pages in the category. Information in the wikitext but not in the webpage: comments (even though HTML also allows comments) See also XML export.
Upload file; Special pages; ... the World Wide Web, or the Web, is only one of a large number of Internet services, [19] ... (emails, images, videos, web pages, files ...
The Graphics Interchange Format (GIF; / ɡ ɪ f / GHIF or / dʒ ɪ f / JIF, see § Pronunciation) is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on June 15, 1987.