Returns the character set for characters allowed in a user URL subcomponent.
Mac Catalyst 13.0+Beta
The user component of a URL is an optional component that precedes the host component, and ends at either a colon (if a password is specified) or an @ sign (if no password is specified). For example, in the URL http://username:firstname.lastname@example.org/index.html, the user component is username.
Returns the character set for characters allowed in a query URL component.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.