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The system fetches a one-time copy of the template text and substitutes it into the page in place of the template tag. If anyone edits the template afterwards, pages that used the subst: keyword do not update. Sometimes that is what you want.
The picture name alone places the image in the text, or on the next line if there is insufficient space. Embedding the image in the text is only possible for very small images. Embedding the image will affect the vertical formatting of text.
<u> was presentational element of HTML that was originally used to underline text; this usage was deprecated in HTML4 in favor of the CSS style {text-decoration: underline}. [4] In HTML5, the tag reappeared but its meaning was changed significantly: it now "represents a span of inline text which should be rendered in a way that indicates that ...
Sequence diagram of the copy-paste operation. The term "copy-and-paste" refers to the popular, simple method of reproducing text or other data from a source to a destination. It differs from cut and paste in that the original source text or data does not get deleted or removed.
Commons:Commons:Video – Outline of videos on Commons; using, playing, policy, finding, converting and uploading; Wikipedia:Creation and usage of media files – A how-to guide, old but still useful; Wikipedia:Image use policy; Wikipedia:Image markup with HTML – How to add images to articles, old school. Obsolete but interesting.
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
This script and CSS makes the sidebar stay in the same position on the screen as you scroll. This may have undesirable side effects in Chrome; e.g., when viewing a page like the very common.css page you just edited to put this code in, the viewable content will become much shorter, and require vertical scrolling in a frame.
An "image" in the form of a table is much more convenient to edit than an uploaded image. If all the cells in a row are empty the cells still show up. If the header cell is also empty for that row all the cells show up, but they are narrow.