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In the following cases, boldface is applied automatically, either by MediaWiki software or by the browser: | In the following cases, boldface is applied automatically, either by MediaWiki software or by the browser: | ||
* Subsection headings of level 3 and below (<code>===Sub-heading===</code>, <code>====Sub-sub-heading====</code>, etc., markup). There are | * Subsection headings of level 3 and below (<code>===Sub-heading===</code>, <code>====Sub-sub-heading====</code>, etc., markup). There are 6 heading levels total in articles.<ref>Pages on the [[Wikipedia:World Wide Web|World Wide Web]] are written in HyperText Markup Language ([[Wikipedia:HTML|HTML]]); web browsers render HTML as formatted text. The [[Wikipedia:MediaWiki|MediaWiki]] software that Wikipedia uses converts [[Wikipedia:WP:wiki markup|wiki markup]] to HTML. HTML has six heading levels, notated in HTML as <code><nowiki><h1>foo</h1></nowiki></code>, <code><nowiki><h2>bar</h2></nowiki></code>, <code><nowiki><h3>etc.</h3></nowiki></code>. A Wikipedia article or page title is an HTML level 1 heading. Headings within an article or page use HTML level 1 through 6 headings. At the beginning of a line (only), MediaWiki wiki markup uses the same number of equal signs <code>=</code> before and after a heading. The number of equal signs on either side of a heading corresponds to the HTML heading level.</ref> | ||
* The term in description (a/k/a definition or glossary) lists (example: [[Glossary of the American trucking industry]]) | * The term in description (a/k/a definition or glossary) lists (example: [[Wikipedia:Glossary of the American trucking industry|Glossary of the American trucking industry]]) | ||
* Table headers and captions (but ''not'' image captions) | * Table headers and captions (but ''not'' image captions) | ||