@Inactive User - This is essentially the same as m-p. The td-p is the URL in context of thread-page whereas the m-p is the message-page. If you try the URL
It will open the same page.
Also, to add some more context here - all the threads are messages but not all messages are threads, i.e. the td-p is used to show the URL for the original post. If you replace td-p in the URL for the reply in a thread, it will change that td-p to m-p. You can try hitting the following URL:
I hope this helps.
Welcome to the Technology board!Curious about our platform? Looking to connect on social technology? You've come to the right place!