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 and attributes in MediaWiki software Tag Meaning Allowed attributes Tag allowed since… Notes<abbr> Abbreviation common attributes 1.16 <b> Bring attention common attributes 1.1 Wikitext: three single quotes, e.g. Be careful to '''this text'''. <bdi> Bidirectional isolate common attributes 1.20 <bdo> Bidirectional text override common attributes 1.22 <big> Make text bigger common attributes 1.1 <big> is deprecated in HTML, but not in wikitext (T154067) <blockquote> Block quotation common attributes + cite 1.1 <br> Line break common attributes + clear 1.1 <caption> Table caption common attributes + align 1.1 <cite> Citation, i.e. reference to a cited creative work. common attributes 1.1 <code> Inline computer code common attributes 1.1 <col> common attributes + span <colgroup> common attributes + span <data> Data, linked to machine-readable translation through value attribute. common attributes + value 1.21 <dd> Description details for a description term element, inside a description list. common attributes 1.1 Wikitext: : starting the line, respectively for description list details. <del> Deleted text common attributes + cite, datetime 1.3 <dfn> Definition. Wrap a term/phrase which is being defined. common attributes 1.17 <div> Content division, to apply CSS formatting to a block. common attributes + align 1.1 <dl> Description list. common attributes 1.1 <dt> Description term, inside a description list. common attributes 1.1 Wikitext: ; starting the line, respectively for description list term. <em> Emphasis common attributes 1.1 <h1> Section heading – levels 1 to 6 common attributes + align 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 common attributes + width 1.1 Wikitext: 4+ dashes (----) starting a line. <i> Idiomatic text common attributes 1.1 Wikitext: two single quotes, e.g. ''idiomatic text''. <ins> Added text common attributes + cite, datetime 1.3 <kbd> Keyboard input common attributes 1.17 <li> List item common attributes + type, value 1.1 Wikitext: # or * starting the line, respectively for ordered list and unordered list. <link> External resource link itemprop, href, title 1.27 Must have itemprop and href attributes set.[1] Excludes most values for rel, including the stylesheet value. <mark> Marked or highlighted text. common attributes 1.21 <meta> Metadata itemprop, content 1.27 Must have itemprop and content attributes set.[1] <ol> Ordered list common attributes + type, start, reversed 1.1 <p> Paragraph common attributes + align 1.1 Wikitext: text between empty lines. <pre> Preformatted text common attributes + width 1.1 Content is not parsed, as in a <nowiki> tag.
Wikitext: line starting with a blank space, i.e. preformatted text.
<q> Inline quotation common attributes + cite 1.22 <rp> Ruby fallback parenthesis common attributes 1.1 <rt> Ruby text: annotation rendered near the base text. Inside a ruby tag. common attributes 1.1 <ruby> Ruby annotation. Encloses rt and rp. common attributes 1.1 <s> Strikethrough, for no longer accurate or relevant text. common attributes 1.1 <samp> Sample output, inline ouput text of a computer program. common attributes 1.17 <small> Side comment. common attributes 1.1 <span> Content span, to apply CSS formatting to an inline text. common attributes 1.4 <strong> Strong importance. common attributes 1.1 <sub> Subscript common attributes 1.1 <sup> Superscript common attributes 1.1 <table> Table, for tabular data. common attributes + summary, width, border, frame, rules, cellspacing, cellpadding, align, bgcolor 1.1 Wikitext: see help page about tables. <td> Table data cell, inside a tr tag. common attributes + abbr, axis, headers, scope, rowspan, colspan, nowrap, width, height, bgcolor, align, valign 1.1 Wikitext: see help page about tables. <th> Table header cell, inside a tr tag common attributes + abbr, axis, headers, scope, rowspan, colspan, nowrap, width, height, bgcolor, align, valign 1.1 Wikitext: see help page about tables. <time> Date/Time common attributes + datetime 1.21 <tr> Table row, inside a table tag. common attributes + bgcolor, align, valign 1.1 Wikitext: see help page about tables. <u> Unarticulated annotation. common attributes 1.1 <ul> Unordered list. common attributes + type 1.1 <var> Variable common attributes 1.1 <wbr> Line break opportunity. common attributes 1.22
The following attributes are permitted on almost all tags listed in the table above (except meta and link):
idclassstylelangdirtitletabindexaria-describedbyaria-flowtoaria-hiddenaria-labelaria-labelledbyaria-levelaria-ownsroleaboutpropertyresourcedatatypetypeofitemiditempropitemrefitemscopeitemtypeThe 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.
<center> 1.1 Yes <font> 1.1 Yes <rb> 1.1 No <rtc> 1.24 No <strike> 1.1 Yes <tt> 1.1 Yes
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]].
style attribute[edit]
Using HTML tag instead of wikitext equivalent allows you to add a style attribute to define a custom display through CSS language.
class and id attributes[edit]
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.
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. -->
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.
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4