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The format is to surround the hidden text with "<!--" and "-->" and may cover several lines, e.g.: <!-- An example of hidden comments This won't be visible except in "edit" mode. --> Another way to include a comment in the wiki markup uses the {} template, which can be abbreviated as {}. This template "expands" to the empty string, generating ...
This is rendered inline, and the specified text is used as the image's alt attribute (alternate text for programs which cannot display images, such as screen readers) and as the title attribute (supplementary text, often displayed as a tooltip when the mouse is over the image).
These different algorithms for video frames are called picture types or frame types. The three major picture types used in the different video algorithms are I, P and B. [1] They are different in the following characteristics: I‑frames are the least compressible but don't require other video frames to decode.
are wrapped in {{inline block}} templates. If {{nowrap}} had been used instead, there would be no visible difference in the first two cases. In the third case, however, the text would have been unable to wrap into the space available. On mobile, this might mean that a table or the whole article is forced to become horizontally scrollable.
GIFV – Graphics Interchange Format Video, a format used for short, looping videos that combines the advantages of GIFs and videos, with better playback quality and lower file sizes [3] GZ – gzip Compressed file; HEIC – High-Efficiency Image Codec; less storage space than the equivalent quality JPEG
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Images with text should generally use a caption and the thumb (thumbnail) option; the default results in a display 220 pixels wide (170 pixels if the upright option is used), except for those logged-in users who have set a different default in their user preferences. In general, do not define the size of an image unless there is a good reason ...
A YouTube video statistics with AVC (H.264) video codec and Opus audio format In 2009, the HTML5 working group was split between supporters of Ogg Theora , a free video format which is thought to be unencumbered by patents, and H.264, which contains patented technology.