Help:Wikitext
The markup language called wikitext, also known as wiki markup or wikicode, consists of the syntax and keywords used by the MediaWiki software to format a page. (Note the lowercase spelling of these terms.)[a] To learn how to see this hypertext markup, and to save an edit, see Help:Editing. Generally, coding can be copied and pasted, without writing new code. There is a short list of markup and tips at Help:Cheatsheet.
In addition to wikitext, some HTML elements are also allowed for presentation formatting. See Help:HTML in wikitext for information on this.
Article sections in a page will follow that page's lead or introduction and, if there are four or more, the table of contents.
The horizontal rule represents a paragraph-level thematic break. Do not use in article content, as rules are used only after main sections, and this is automatic.
When a page has at least four headings, a table of contents (TOC) will automatically appear after the lead and before the first heading. The TOC can be controlled by magic words or templates:
When there is a need for separating a block of text. This is useful for (as the name says) inserting blocks of quoted (and cited) text.
