ulem – Package for underlining. The package Sources, /macros/latex/contrib/ ulem. Documentation Contained in, TeX Live as ulem MiKTeX as ulem.
Abstract. The ulem package provides various types of underlining that can In LATEX, ulem normally replaces italics with underlining in text.
cancel is intended for indicating mathematic cancellation, and consequently only works in math mode; it also strikes out diagnoally. soul and.
Use it with LATEX or plain TEX. In LATEX, ulem replaces italics with underlining in text em- phasized by \emph, and to some extent by \em.