\begin{theindex}

  \item else=\verb
    \subitem *+\else+, 26

  \indexspace

  \item fi=\verb
    \subitem *+\fi+, 26

  \indexspace

  \item ifx=\verb
    \subitem *+\ifx+, 24

  \indexspace

  \item newskip=\verb
    \subitem *+\newskip+, 155, 156
  \item newtheorem=\verb
    \subitem *+\newtheorem+, \usage{1}, 162
  \item newtoks=\verb
    \subitem *+\newtoks+, 16, 18
  \item normalshape=\verb
    \subitem *+\normalshape+, 24, 26

  \indexspace

  \item break=\verb
    \subitem break+, \main{27}, \main{91}
  \item change=\verb
    \subitem change+, \main{27}, \main{121}
  \item changebreak=\verb
    \subitem changebreak+, \main{27}, \main{106}
  \item margin=\verb
    \subitem margin+, \main{27}, \main{149}
  \item marginbreak=\verb
    \subitem marginbreak+, \main{27}, \main{133}
  \item plain=\verb
    \subitem plain+, \main{27}, \main{79}
  \item headerfont=\verb
    \subitem headerfont+, 20, \main{24}, 81, 83, 93, 96, 108, 111, 123, 
		125, 135, 139, 151, 153
  \item style=\verb
    \subitem style+, 9, 10, 12, \main{16}, 41, 51, 59
  \item theorembodyfont=\verb
    \subitem *+\theorembodyfont+, \usage{2}, \main{18}, 42, 52, 60, 162
  \item theoremheaderfont=\verb
    \subitem *+\theoremheaderfont+, \usage{2}, \main{20}, 163
  \item theorempostskipamount=\verb
    \subitem *+\theorempostskipamount+, \usage{2}, 66, \main{155}
  \item theorempreskipamount=\verb
    \subitem *+\theorempreskipamount+, \usage{2}, 65, \main{155}
  \item theoremstyle=\verb
    \subitem *+\theoremstyle+, \usage{2}, \main{6}, 162, 165

  \indexspace

  \item undefined=\verb
    \subitem *+\undefined+, 24

\end{theindex}