* link is an SSK or USK link and the post was created by an identity that owns
* the keyspace in question.
*/
-data class FreenetLinkPart(val link: String, override val text: String, val title: String, val trusted: Boolean) : Part {
+data class FreenetLinkPart(val link: String, override val text: String, val title: String, val trusted: Boolean = false) : Part {
constructor(link: String, text: String, trusted: Boolean) : this(link, text, link, trusted)