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Spaces within a formula must be directly managed (for example by including explicit hair or thin spaces). Variable names must be italicized explicitly, and superscripts and subscripts must use an explicit tag or template. Except for short formulas, the source of a formula typically has more markup overhead and can be difficult to read.
For a full list of editing commands, see Help:Wikitext. For including parser functions, variables and behavior switches, see Help:Magic words. For a guide to displaying mathematical equations and formulas, see Help:Displaying a formula. For a guide to editing, see Wikipedia:Contributing to Wikipedia. For an overview of commonly used style ...
This help page is a . 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.
e. Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
To view and edit a page using wiki markup, click Edit or Edit source at the top of any page. This will allow you to type text that you want to add, using wiki markup to format the text and to add other elements like images and tables that are explained later in this tutorial.
A frequent method for displaying formulas on their own line has been to indent the line with one or more colons (:). Although this produces the intended visual appearance, it produces invalid html (see Wikipedia:Manual of Style/Accessibility § Indentation). Instead, formulas may be placed on their own line using < math display = block >.
Wikitext editing using the Source Editor is chosen by clicking the Edit source tab at the top of a Wikipedia page (or on a section-edit link). This opens an editable copy of the page, showing all the wikitext used there, and the Source Editor toolbar offers simple menu options to add or change the formatting.
The default sans-serif may render certain characters indistinguishable, such as 1, I and l. In articles mixing raw wiki with <math> formulae, the appearance of the same variable in the two types of formula does not match (serif vs sans-serif). { {math}} ('texhtml' class) Distinguishes a formula from the running text.