Once the original message has been yanked into the reply buffer, and
sc-cite-original has had a chance to operate on the buffer, a
number of useful supercite commands will be available to you. These
commands are described in this section. Note that the key bindings given
with the command names are those for the default keymap in
sc-default-keymap. See section Keymaps for more information on
changing the key bindings.