on successful article retrieval.
-@item (nnchoke-request-group GROUP &optional SERVER FAST)
+@item (nnchoke-request-group GROUP &optional SERVER FAST INFO)
Get data on @var{group}. This function also has the side effect of
making @var{group} the current group.
If @var{fast}, don't bother to return useful data, just make @var{group}
the current group.
+If @var{info}, it allows the backend to update the group info
+structure.
+
Here's an example of some result data and a definition of the same:
@example