SpanRuleA.AutomaticSourceLink: e.g. <https://kkeun.net>
For simplicity, the https:// prefix is omitted in the translated result, i.e. the example above is translated to
<a href="https://kkeun.net">kkeun.net</a>Note that the link address must start with https:// or http://.
Try to apply a rule. The first parameter is the (recursive) function that parses a string as a span list.