睇 MediaWiki:Apihelp-options-param-change 嘅原碼

List of changes, formatted name=value (e.g. skin=vector). If no value is given (not even an equals sign), e.g., optionname|otheroption|..., the option will be reset to its default value. If any value passed contains the pipe character (<kbd>|</kbd>), use the [[Special:ApiHelp/main#main/datatypes|alternative multiple-value separator]] for correct operation.