Semantic MediaWiki/markup

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property embedding

SMW introduces a new syntactical structure of the form [[property name::property value]], which may optionally be written with a display parameter: [[property name::property value|display text]]. Both of these formats cause the current page to be assigned the value <property name> with the value <property value>. The same value can be assigned to several properties with this syntax: [[property1 name::property2 name::value for both]].

To set a property without displaying anything, there are two alternative forms:

  • [[property name::property value| ]]
    • In this form, the space between the "|" and "]]" is required)
  • {{#set:property name=property value}}
    • This form allows brackets ("[" and "]") to be used in the property value by default; the other form can only allow it in Text data if $smwgParserFeatures has the SMW_PARSER_LINV attribute set.
    • This form may not work within parser tag extensions (e.g. W3TPL's <hide> tag).

parser functions

SMW also uses a few standard-form parser functions:

See Displaying_information#Display_format for at least some information about formatting values.

formats

notes

case-sensitivity

  • For MediaWiki deployments where initial characters in article titles are not automatically capitalized (the default is to capitalize them):
    • In #ask queries, the word "Category" is case-sensitive; [[category:...]] will not work.
  • Where initial characters are automatically capitalized, all property-names will be capitalized, even if they are specified as lower-case.
    • Example: If a page contains [[test thing::sample value]], any queries which make use of "test thing" must refer to it as "Test thing" or the value will not be found.
  • Special properties are also case-sensitive: e.g. [[Has type:string]] correctly references the special "Has type" property, but [[has type::string]] refers only to a non-special "has type" property.