== Description ==
'''This command is deprecated!''' see Consider using `\feature[+]{...}` instead. See [[Featuresets]]for details.
{{cmd|setff|{myfontfeatureset}|}} adds the font features in myfontfeatureset to the currently active features. A font feature set can be defined with {{cmd|definefontfeature|[myfontfeatureset]{...}|}}. The added features remain active until the end of the current scope.