3.2 Line Tags# rivt line tags are used to format a line of text and are denoted with _[TAG], usually at the end of a line. Tags have a function and output scope. KEY# _[TAG] : description _[B] : center, bold# _[C] : center# _[D] : footnote description# _[E] : number, label equation# _[F] : number, label figure# _[P] : new page# _[S] : sympy equation# _[T] number, label table# _[U] : url link# _[V] : number, label values table# _[#] : numbered footnote# horizontal line#