Editing Help:Link (section)

== Hover tooltips ==

In many browsers, holding the cursor over a link ([[mouseover]]) shows a hover [[tooltip]] containing the text of the link's [[HTML]] <code>title</code> attribute. MediaWiki – the software which runs Wikipedia – sets this to the target page name (without any section indication) if it's a wikilink, the page name with prefix if it's an interwiki link, and the link address ([[URL]]) if it's an external link. (This can be switched off in the [[Help:Preferences|user preferences]].) The browser may also show similar information, including any section indication, in the status bar.

For these effects a piped link is useful even if it is not followed; for example, for displaying the meaning of an acronym. It is possible to produce a hover tooltip without a link, using the {{tl|Tooltip}} template.