[ Forwarded from Debian #794920. ]
Consider the following description list, from the rst docs. Place the cursor on the line containing "Definition 1.". Press <tab> any number of times; the only indentation offered is at the beginning of the line, which breaks the syntax of the list.</tab>
term 1
Definition 1.
term 2
Definition 2, paragraph 1.
Definition 2, paragraph 2.
Actually this is a feature request:
Indeed this feature isn't implemented yet and probably won't be anytime soon.