auctex: Itemize-like

 
 2.4.3 Itemize-like Environments
 -------------------------------
 
 In an itemize-like environment, nodes (i.e., '\item's) may be inserted
 using 'C-c <LFD>'.
 
  -- Command: LaTeX-insert-item
      ('C-c <LFD>') Close the current item, move to the next line and
      insert an appropriate '\item' for the current environment.  That
      is, 'itemize' and 'enumerate' will have '\item ' inserted, while
      'description' will have '\item[]' inserted.
 
  -- User Option: TeX-arg-item-label-p
      If non-nil, you will always be asked for optional label in items.
      Otherwise, you will be asked only in description environments.