+ ** If \fIset\fP, only folders with new mail will be shown in the sidebar.
+ */
+ {"sidebar_number_format", DT_STR, R_BOTH, UL &SidebarNumberFormat, UL "%m%?n?(%n)?%?f?[%f]?"},
+ /*
+ ** .pp
+ ** This variable controls how message counts are printed when the sidebar
+ ** is enabled. If this variable is \fIempty\fP (\fIand only if\fP), no numbers
+ ** will be printed \fIand\fP mutt-ng won't frequently count mail (which
+ ** may be a great speedup esp. with mbox-style mailboxes.)
+ ** .pp
+ ** The following \fTprintf(3)\fP-like sequences are supported all of which
+ ** may be printed non-zero:
+ ** .pp
+ ** .dl
+ ** .dt %d .dd Number of deleted messages. 1)
+ ** .dt %F .dd Number of flagged messages.
+ ** .dt %m .dd Total number of messages.
+ ** .dt %M .dd Total number of messages shown, i.e. not hidden by a limit. 1)
+ ** .dt %n .dd Number of new messages.
+ ** .dt %t .dd Number of tagged messages. 1)
+ ** .de
+ ** .pp
+ ** 1) These expandos only have a non-zero value for the current mailbox and
+ ** will always be zero otherwise.