.TS H box, center; c lw(40). .TH \f3N\f1 T{ \f3N\f1ormal default mode (\-WF, \-FF, \-WD, \FB) T} \f3WF\f1 T{ \f3W\f1ide \f3F\f1ootnotes always (even in two column mode) T} \f3\-WF\f1 T{ \s-1DEFAULT\s0: turn off WF (footnotes follow column mode, wide in 1C mode, narrow in 2C mode, unless FF is set) T} \f3FF\f1 T{ \f3F\f1irst \f3F\f1ootnote; all footnotes have the same width as the \f2first\f1 footnote encountered for that page T} \f3\-FF\f1 T{ \s-1DEFAULT\s0: turn off FF (footnote style follows the settings of WF or \-WF) T} \f3WD\f1 T{ \f3W\f1ide \f3D\f1isplays always (even in two column mode) T} \f3\-WD\f1 T{ \s-1DEFAULT\s0: Displays follow whichever column mode is in effect when the display is encountered T} \f3FB\f1 T{ \s-1DEFAULT\s0: Floating displays cause a break when output on the current page T} \f3\-FB\f1 T{ Floating displays on current page do not cause a break T} .TE