texParen?

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texParen?

$\begin{usage} texParen?(prec, t) \end{usage}$

Signature

texParen?: (MachineInteger, %) $\to$ Boolean

$\begin{params} {\em prec} & \htmlref{\texttt{MachineInteger}}{MachineInteger} & An operator precendence.\\ {\em t} & \% & An expression tree\\\end{params}$

$\begin{retval} Returns {\it true}\xspace ~if $t$\ should be parenthetized when ... ... operator of precedence {\em prec}, {\it false}\xspace ~otherwise. \end{retval}$

Manuel Bronstein 2000-12-13