Received an email with the following text.
Found a bug on your plugin. Has to do with the more tag. If you place the more tag, between the Are_PayPal tags, then the content before the Are_PayPal tag will not be hidden on the front page. Perhaps, you can make the Are_PayPal tag integrate partially with the more tag, in that if there is a Are_PayPal tag, it can automatically close this tag? before the More? But then if looking at the whole post, to leave it open?
In my opinion this is not a bug but a mistake of the blog editor. The best practice working with shortcodes to avoid intersections and/or nested shorttags. In this case please avoid any shorttags inside arepaypal and please dont put any shorttags around it.