link and URL vars for Article. Storage as rawLink

link and externalLink fall back to providing the raw stored value if URLs cannot be created even with repair.

Shared/Extensions/URL-Extensions.swift

@@ -42,4 +42,16 @@ extension URL {
 		return value
 		
 	}
+	
+	static func reparingIfRequired(_ link: String?) -> URL? {
+		// If required, we replace any space characters to handle malformed links that are otherwise percent
+		// encoded but contain spaces. For performance reasons, only try this if initial URL init fails.
+		guard let link = link, !link.isEmpty else { return nil }
+		if let url = URL(string: link) {
+			return url
+		} else {
+			return URL(string: link.replacingOccurrences(of: " ", with: "%20"))
+		}
+	}
+
 }