List of steps to reproduce (step by step, including full links if applicable):
Post this comment with DT:
There are several sorts: # One # The other # The third
What happens?:
Signature gets appended to the last list item. When somebody replies to this with DT that reply will get :: indentation. Because of the list item, this means there is no visual indentation.
What should have happened instead?:
Just force the signature onto a new line.
When using multi-line indentation lists have to be encapsulated in non-list lines to stop weird shit from happening. Luckily users will typically not start a comment with a list item, but they do end on one occasionally.