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Help:HTML in wikitext

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MediaWiki is able to parse some HTML tags in wikitext. Brackets for other tags are escaped and the tags are displayed instead of being parsed.

Allowed HTML tags

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Allowed HTML tags in MediaWiki software
Tag Meaning Allowed since… Notes
‎<abbr> Abbreviation 1.16
‎<b> Bring attention 1.1 Wikitext: three single quotes, e.g. Be careful to '''this text'''.
‎<bdi> Bidirectional isolate 1.20
‎<bdo> Bidirectional text override 1.22
‎<big> Make text bigger 1.1 big is deprecated in HTML, but not in wikitext (T154067)
‎<blockquote> Block quotation 1.1
‎<br> Line break 1.1
‎<caption> Table caption 1.1
‎<cite> Citation, i.e. reference to a cited creative work. 1.1
‎<code> Inline computer code 1.1
‎<data> Data, linked to machine-readable translation through value attribute. 1.21
‎<dd> Description details for a description term element, inside a description list. 1.1 Wikitext: : starting the line, respectively for description list details.
‎<del> Deleted text 1.3
‎<dfn> Definition. Wrap a term/phrase which is being defined. 1.17
‎<div> Content division, to apply CSS formatting to a block. 1.1
‎<dl> Description list. 1.1
‎<dt> Description term, inside a description list. 1.1 Wikitext: ; starting the line, respectively for description list term.
‎<em> Emphasis 1.1
‎<h1> Section heading – levels 1 to 6 1.1 Wikitext: pairs of equal signs (see help about formatting).

Note when you edit a section headed by an HTML heading, the edit summary will not be prefilled.

‎<hr> Thematic break 1.1 Wikitext: 4+ dashes (----) starting a line.
‎<i> Idiomatic text 1.1 Wikitext: two single quotes, e.g. ''idiomatic text''.
‎<ins> Added text 1.3
‎<kbd> Keyboard input 1.17
‎<li> List item 1.1 Wikitext: # or * starting the line, respectively for ordered list and unordered list.
‎<link> External resource link 1.27 Must have itemprop and href attributes set.[1]
‎<mark> Marked or highlighted text. 1.21
‎<meta> Metadata 1.27 Must have itemprop and content attributes set.[1]
‎<ol> Ordered list 1.1
‎<p> Paragraph 1.1 Wikitext: text between empty lines.
‎<pre> Preformated text 1.1 Content is not parsed, as in a ‎<nowiki> tag.

Wikitext: line starting with a blank space, i.e.  preformated text.

‎<q> Inline quotation 1.22
‎<rp> Ruby fallback parenthesis 1.1
‎<rt> Ruby text: annotation rendered near the base text. Inside a ruby tag. 1.1
‎<ruby> Ruby annotation. Encloses rt and rp. 1.1
‎<s> Strikethrough, for no longer accurate or relevant text. 1.1
‎<samp> Sample output, inline ouput text of a computer program. 1.17
‎<small> Side comment. 1.1
‎<span> Content span, to apply CSS formatting to an inline text. 1.4
‎<strong> Strong importance. 1.1
‎<sub> Subscript 1.1
‎<sup> Superscript 1.1
‎<table> Table, for tabular data. 1.1 Wikitext: see help page about tables.
‎<td> Table data cell, inside a tr tag. 1.1 Wikitext: see help page about tables.
‎<th> Table header cell, inside a tr tag 1.1 Wikitext: see help page about tables.
‎<time> Date/Time 1.21
‎<tr> Table row, inside a table tag. 1.1 Wikitext: see help page about tables.
‎<u> Unarticulated annotation. 1.1
‎<ul> Unordered list. 1.1
‎<var> Variable 1.1
‎<wbr> Line break opportunity. 1.22

Deprecated tags

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The following tags are parsed by MediaWiki, but they are obsolete in HTML 5. They should be replaced with one of above tags. You might add a style attribute to reproduce the expected display.

HTML tags deprecated in MediaWiki
Tag Allowed since… Emits Lint error? Notes
‎<center> 1.1 Yes
‎<font> 1.1 Yes
‎<rb> 1.1 No
‎<rtc> 1.24 No
‎<strike> 1.1 Yes
‎<tt> 1.1 Yes

Use cases

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Anchor

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To create a linkable anchor, you can use any HTML tag with an id attribute.

E.g. <span id="note2"></span> allows you to create a link to its location on the page using [[#note2|See relevant note]].

CSS formatting

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With style attribute

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Using HTML tag instead of wikitext equivalent allows you to add a style attribute to define a custom display through CSS language.

With class and id attributes

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Thanks to TemplateStyles, you may add a custom stylesheet to the document. So it is useful to add class or id attributes to the elements you want to customize their display.

Overridden HTML syntax

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HTML comments

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Wikitext uses HTML comment syntax for its own comments: the parser ignores them, they are not rendered in resulting HTML source.

<!-- This text is a wikitext comment. After saving, it will be kept in wikitext source but will not be displayed, neither rendered in HTML source. -->

Pre tag

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The content of a pre tag is not parsed, as in a ‎<nowiki> tag.

You have to use the equivalent wikitext syntax to allow the content parsing. I.e. start each line with a blank space:

 Some preformatted text which can contain wikitext, i.e. this idiomatic text will be parsed.
 Other line.

See also

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References

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