gnus-summary-enter-digest-group). Gnus will try to guess what article type is currently displayed unless you give a prefix to this command, which forces a “digest” interpretation. Basically, whenever you see a message that is a collection of other messages of some format, you C-d and read these messages in a more convenient fashion.
gnus-auto-select-on-ephemeral-exit controls what
article should be selected after exiting a digest group. Valid values
If it has any other value or there is no next (unread) article, the
article selected before entering to the digest group will appear.
gnus-summary-read-document). It does this by opening several
nndocgroups for each document, and then opening an
nnvirtualgroup on top of these
nndocgroups. This command understands the process/prefix convention (see Process/Prefix).
gnus-summary-toggle-truncation). This will probably confuse the line centering function in the summary buffer, so it's not a good idea to have truncation switched off while reading articles.
gnus-summary-expand-window). If given a prefix, force an