In line 1329-1330 there is line that contains linefeed.
My Version is 2.0.7.f
Also i can't find that key from transifex
COM_VIRTUEMART_PRODUCT_WAITING_LIST_EMAIL_BODY="Thank you for your patience.<br />Our %s is now in stock and can be purchased by following this link %1s.<br
/>This is a one time notice, you will not receive this e-mail again."
Hello
Yes you are right. I forgot to remove it.
I am using another one: COM_VIRTUEMART_CART_NOTIFY_MAIL_HTML
It is exactly the same.